Construction fleet emissions: follow the litre
Under the GHG Protocol, fuel burned in vehicles and machines a contractor owns or controls is Scope 1; fuel burned in sources another company owns or controls is not. A construction business runs two very different fleets — road vehicles fuelled on cards, and site plant filled from bowsers, site tanks and a hire company's supply — and the calculation itself is the easy part. What decides whether the figure means anything is where each litre was recorded, whose machine burned it, what was actually in the tank, and which version of which emission factor was applied. This guide is about testing those four things before you buy.
Editorial review by Dimitris Mitsios
Founder of The QHSE Standard; product marketing at Tekmon. LinkedIn
Tekmon is a featured commercial partner. Disclosure and review scope
Content date: 22 September 2026
Two fleets, one Scope 1 line, three definitions
The GHG Protocol Corporate Standard places emissions from combustion in owned or controlled vehicles in Scope 1 and requires Scopes 1 and 2 to be reported separately at a minimum. Its sector tables treat on-site machinery — quarry operations, mining equipment, on-site transport — as mobile combustion alongside road vehicles, so an excavator and a van land on the same line of the inventory. GHG Protocol: Corporate Accounting and Reporting Standard (revised edition)
They do not land on the same line anywhere else. The Greater London Authority's NRMM guide defines non-road mobile machinery as any mobile machine or vehicle not solely intended for carrying passengers or goods on the road, and counts road-registered telehandlers and dumpers, generators and compressors among it. UK SECR's transport wording for unquoted companies turns instead on whether a vehicle is a road-going vehicle — one that needs a vehicle licence under the Vehicle Excise and Registration Act 1994, or is exempt under it. The same telehandler can sit on different sides of each line. Greater London Authority: NRMM Practical Guide, version 6 (January 2024); legislation.gov.uk: SI 2008/410, Schedule 7 Part 7A (unquoted companies)
So the evaluation starts at the asset register, not the dashboard. Ask the vendor to hold, against each asset: owned, leased or hired, and on what terms; road-going or not; engine power and emission stage; and the fuel it actually runs on. A single on-road/off-road flag cannot answer all three regimes at once.
Where the litre was recorded decides what the number means
| Data source | What it actually records | Where it breaks |
|---|---|---|
| Fuel card or invoice | Fuel bought at a point of sale, by card, registration or driver | It records a purchase, not a combustion. A card used to fill a subcontractor's van, a can or a hired machine puts someone else's litres in your total. |
| Bulk delivery to a site tank | Litres delivered to a tank, from the delivery note | It tells you what arrived on site, not which machine burned it or whether the tank also served other contractors. Stock left at period end has to be accounted for. |
| Dispensed to a machine | Litres from a tank or bowser to a named asset, logged at the pump or by hand | The closest record to combustion for plant. It breaks when the log is incomplete or the asset is wrong, so reconcile dispensed litres against deliveries. |
| Telematics fuel burn | Fuel used as reported by the machine or vehicle, where the unit provides it | Coverage depends on the machine, the unit and the data feed. Establish which assets actually report it before relying on it. |
| Telematics engine hours | Hours run, multiplied by an assumed burn rate | An estimate built on an assumption. Record the rate, its source and the asset class it applies to; a rate for one machine class is not a rate for another. |
| Spend | Money spent on fuel, multiplied by a spend-based factor | It moves with price, not with litres. The UK government publishes per-unit conversion factors for fuels, so spend is the fallback for records you cannot get, and should be labelled as one. |
Reconcile the sources rather than choosing one
The GHG Protocol expects most small and medium-sized companies, and many larger ones, to calculate Scope 1 from purchased quantities of commercial fuels and published emission factors, and it asks companies to check activity data generated for purposes other than a GHG inventory — which is exactly what fuel-card statements and telematics exports are — for completeness and for consistency with the source category and the emission factors used. GHG Protocol: Corporate Accounting and Reporting Standard (revised edition)
In practice that means reconciling, not picking: purchases against deliveries, deliveries against dispensed litres, and dispensed litres against telematics where it exists. The unreconciled remainder is the finding, and the software should show it rather than allocate it away. The UK government makes the same distinction between activity data and spend: its conversion factors are built for quantities such as volume of fuel used, and it describes spend-based methods as an option where activity data is insufficient, provided the method is reported. DESNZ: Greenhouse gas reporting, conversion factors 2026
Four ways a fleet figure goes wrong
Fuel bought on your card, burned in someone else's machine. Scope 1 follows the source that burns the fuel, not the account that pays for it. Where a subcontractor's plant is filled from your bowser or on your card, decide — and record — whether that combustion sits inside your boundary, whether the fuel is recharged, and how it leaves your total if it does not. The NRMM guide gives the principal contractor overarching responsibility for NRMM compliance on site, sub-contractors' machinery included; that is an air-quality control, not a carbon boundary, and it should not be read as one. GHG Protocol: Corporate Accounting and Reporting Standard (revised edition); Greater London Authority: NRMM Practical Guide, version 6 (January 2024)
Hired plant. The GHG Protocol applies your chosen consolidation approach to leased assets: under operational control a lessee accounts for the leased assets it operates, and under equity share or financial control only those treated as finance leases. The revised ESRS, adopted by the Commission on 3 July 2026 and published as Delegated Regulation (EU) 2026/1563, are more direct: a lessee reports the impacts connected with using a leased asset in its own operations during the lease period, and that rule takes precedence over the climate standard's emissions disclosure. Neither text settles a wet-hired machine that arrives with the hire company's operator and fuel. Make the vendor show where that decision is recorded against each hire. GHG Protocol: Corporate Accounting and Reporting Standard (revised edition); European Commission: C(2026) 5010 annexes (revised ESRS as adopted); EUR-Lex: Commission Delegated Regulation (EU) 2026/1563 (revised ESRS), OJ L, 21 September 2026
Blends and HVO. The emission factor has to follow what was actually in the tank. The UK government's 2026 methodology lists 100% mineral diesel as a fuel in its own right, calculates factors for diesel as supplied at public and commercial refuelling stations by factoring in the well-to-tank component of biodiesel's share of UK supply, and publishes separate factors for biofuels, HVO among them. For HVO, the direct emissions in the UK dataset are methane and nitrous oxide only, and the CO2 from combustion is given as an outside-of-scopes figure. Methyl-ester biodiesel (FAME) is a different case: since April 2020 the direct figures in the methodology's biofuel table for methyl-ester biodiesel, and for off-road biodiesel, also carry a small fossil CO2 component, so a FAME blend should not be treated as if it were HVO. The GHG Protocol requires CO2 from burning biomass to be reported separately from Scope 1, and the revised ESRS E1 requires biogenic CO2 to be disclosed separately while keeping methane and nitrous oxide in the scopes. Software that records HVO as zero has dropped both the in-scope methane and nitrous oxide and the outside-of-scopes CO2. For a blend, the split between the mineral and renewable parts has to come from the supplier's documentation — and because the methodology notes that net emissions from biofuels vary significantly with feedstock and production pathway, and recommends more specific figures where available, the supplier's feedstock evidence matters for the upstream figure too. DESNZ: 2026 conversion factors methodology paper; GHG Protocol: Corporate Accounting and Reporting Standard (revised edition); European Commission: C(2026) 5010 annexes (revised ESRS as adopted); EUR-Lex: Commission Delegated Regulation (EU) 2026/1563 (revised ESRS), OJ L, 21 September 2026
Emission factor versions. UK conversion factors are republished every year with a methodology paper and a major-changes report. The 2026 set was published on 11 June 2026, and in July 2026 the flat file intended for automatic processing was republished to correct values reported as zero instead of left blank; the full set was not revised. The corrected values relate to well-to-tank emissions from certain hybrid, CNG and LPG cars, and to hotel stays in certain countries, so no direct factor for a vehicle or plant fuel was among them; even so, “the 2026 factor” can mean two files, and each result should record which one it came from. The methodology also notes that methane and nitrous oxide factors for gas oil differ by use, non-road mobile machinery included, and that the published figures for fuels are an activity-weighted average of those use-specific factors — so applying them to plant is an approximation worth recording as one. The GHG Protocol treats a change in methodology, or an improvement in the accuracy of factors or data, that significantly affects the base year as a reason to recalculate it, and a change in a factor or in activity data that reflects a real change in emissions, such as a change of fuel, as not a reason. Software has to tell the two apart. Switching to HVO is a real change. A new annual factor set can contain either kind: a correction or a method change is a reason to recalculate if it is significant, while a factor that moved because the fuel supplied changed is not — and the methodology itself notes that the biofuel supply behind the UK figures is likely to vary from year to year. Record which it is for each factor that moved. DESNZ: Greenhouse gas reporting, conversion factors 2026; DESNZ: 2026 conversion factors methodology paper; GHG Protocol: Corporate Accounting and Reporting Standard (revised edition)
What each regime asks of the fleet figure (checked 22 September 2026)
| Regime | Who | What it asks of fleet data | Status and dates |
|---|---|---|---|
| UK SECR — quoted companies | UK quoted companies | Emissions from the combustion of fuel and the energy behind them, with the share in the UK and offshore area, the methodology and an intensity ratio | Emissions disclosure since 2013; energy use and the UK and offshore share added from 1 April 2019 |
| UK SECR — unquoted companies | Unquoted companies exceeding at least two of £36m turnover, £18m balance sheet total and 250 employees; large LLPs under parallel rules | UK emissions from gas combustion and from fuel for the purposes of transport (road-going vehicles, trains, vessels, aircraft), plus purchased electricity | In force from 1 April 2019; exemption at 40,000 kWh or less |
| London NRMM Low Emission Zone | Construction and demolition sites in Greater London; machines of 37–560 kW | Every in-scope machine logged on the GLA register and checked against the required engine emission stage — an air-quality control, not a carbon record | Stage IV minimum across Greater London from 1 January 2025, generators Stage V; Stage V from 1 January 2030; zero-emission aim by 1 January 2040 |
| EU CSRD with ESRS E1 | From financial years starting on or after 1 January 2027: undertakings exceeding €450m net turnover and 1,000 employees | Gross Scope 1 with biogenic CO2 separate; boundary on financial control unless equity share or operational control is chosen | Omnibus I in force 18 March 2026, transposition by 19 March 2027; revised ESRS published 21 September 2026 as Delegated Regulation (EU) 2026/1563, in force 10 November 2026, applying to financial years from 1 January 2027 (optional for 2026) |
| US SEC climate rules | SEC registrants | Nothing at present: the March 2024 rules were stayed on 4 April 2024 | Rescission proposed 29 May 2026; comments due 3 August 2026; no final action found |
| California SB 253 | US entities with annual revenue over $1bn doing business in California | Annual Scope 1, 2 and 3 for the prior fiscal year; first reports cover Scope 1 and 2 | CARB is updating its proposal to move the first deadline from 10 August to 10 November 2026, subject to approval |
The regulatory detail, and what it means for the software
UK SECR. The requirements sit in Schedule 7 to the Large and Medium-sized Companies and Groups (Accounts and Reports) Regulations 2008: Part 7A, for unquoted companies, was inserted and Part 7, for quoted companies, extended with effect from 1 April 2019. Quoted companies report emissions from the combustion of fuel wherever it occurs and state the share in the UK and offshore area. Unquoted companies that exceed at least two of the size tests — applied over consecutive years, and on a group basis for parents — report UK emissions from the combustion of gas and from fuel for the purposes of transport, which the regulations define by reference to aircraft, road-going vehicles, trains and vessels. Read literally, diesel or HVO burned in a machine that is not a road-going vehicle is neither, so the unquoted-company minimum does not name diesel or HVO site plant. Plant that burns LPG or natural gas is different: the regulations define gas to include methane, propane and butane, so that fuel falls under the combustion of gas. Whether to include diesel and HVO plant anyway is a decision for whoever signs the directors' report; the software's job is to show which assets were counted under which heading. Both parts require the methodology to be stated, and both allow information that is not practical to obtain to be left out if the report says what and why — the provision a gap in subcontractor fuel data will end up relying on. legislation.gov.uk: SI 2008/410, Schedule 7 Part 7 (quoted companies); legislation.gov.uk: SI 2008/410, Schedule 7 Part 7A (unquoted companies)
London NRMM. The Low Emission Zone covers machines of 37–560 kW on construction and demolition sites across Greater London. The GLA guide asks local planning authorities to apply it through a planning condition and expects every site to comply whether or not a condition applies. It sets Stage IV as the minimum across Greater London from 1 January 2025, with generators remaining at Stage V; Stage V everywhere from 1 January 2030; and an aim of zero emissions from NRMM by 1 January 2040. The Cleaner Construction for London team, which sits in the Regulatory Services Partnership hosted by Merton Council and delivers the scheme's auditing on behalf of the GLA, stated in a summary dated 4 November 2025 that the London-wide Stage IV minimum took effect on 1 January 2025. The City of London's page, updated 16 September 2026, states Stage IV as the current requirement in the Square Mile; the Square Mile lies inside the Central Activities Zone, where the guide shows Stage IV already applied before 2025, so that page does not by itself confirm the London-wide step. Every in-scope machine, sub-contractors' included, goes on the GLA register, which the guide describes as a live record of machinery on site during the development. Nothing in the guide asks for fuel quantities, so treat the register as an asset list for reconciling plant fuel, not as a carbon record. Greater London Authority: NRMM Practical Guide, version 6 (January 2024); Cleaner Construction for London (Merton Council, on behalf of the GLA): NRMM emissions savings estimates, 4 November 2025; City of London Corporation: Non-Road Mobile Machinery
EU CSRD and ESRS E1. Directive (EU) 2025/794 moved the second wave of CSRD reporting to financial years starting on or after 1 January 2027. Directive (EU) 2026/470, published on 26 February 2026, then limited that wave to undertakings — and parent undertakings of groups, on a consolidated basis — that exceed both €450 million net turnover and an average of 1,000 employees. For financial years 2024 to 2026 the original first wave continues, and Member States may exempt first-wave undertakings that do not exceed €450 million net turnover or 1,000 employees for 2025 and 2026. The Commission states that the directive entered into force on 18 March 2026 and must be transposed by 19 March 2027. On 3 July 2026 the Commission adopted revised ESRS and sent them to the Parliament and Council for scrutiny. They were published in the Official Journal on 21 September 2026 as Delegated Regulation (EU) 2026/1563, which enters into force on 10 November 2026 and applies to financial years beginning on or after 1 January 2027. For financial years beginning in 2026, an undertaking already in scope may apply the previous standards, the revised ones, or the previous ones with specified reliefs, provided it states which version it applies. In the published text, disclosure requirement E1-8 still requires gross Scope 1, biogenic CO2 is disclosed separately, the default boundary follows financial control, and emissions may be broken down by source type, mobile combustion included. EUR-Lex: Directive (EU) 2025/794 (stop-the-clock); EUR-Lex: Directive (EU) 2026/470 (Omnibus I); European Commission: corporate sustainability reporting; European Commission: revised ESRS adopted, 3 July 2026; European Commission: C(2026) 5010, Delegated Regulation as adopted on 3 July 2026; European Commission: C(2026) 5010 annexes (revised ESRS as adopted); EUR-Lex: Commission Delegated Regulation (EU) 2026/1563 (revised ESRS), OJ L, 21 September 2026
United States. The SEC stayed its March 2024 climate disclosure rules on 4 April 2024, voted to end its defence of them on 27 March 2025, and saw the Eighth Circuit hold the litigation in abeyance on 12 September 2025. On 29 May 2026 it proposed rescinding the rules entirely; its rulemaking page lists the rescission as a proposed rule with comments due by 3 August 2026, and we found no final action by 22 September 2026. The US obligation with a current date that we found is California's: SB 253 requires US entities with annual revenue over $1 billion that do business in California to disclose Scope 1, 2 and 3 emissions annually, and CARB says it is updating its proposal to defer the first Scope 1 and 2 deadline from 10 August 2026 to 10 November 2026, subject to approval of its initial regulation. Fleet and plant fuel are Scope 1 in that report. US SEC: proposed rescission of the climate disclosure rules (press release 2026-49); US SEC: rulemaking file S7-2026-19; California Air Resources Board: corporate GHG reporting programme (SB 253)
The demonstration: one month of fuel cards against one machine
Bring your own month
Export one month of fuel-card transactions and one machine's telematics for the same month, with the delivery notes and dispensing log for the site that machine worked on. Do not accept the vendor's sample fleet.
Ask for the reconciliation, not the total
Have the vendor match card transactions to assets and dispensed litres to the machine, then show what did not match: card fuel with no asset, and machine burn with no purchase. The unmatched litres, and how the system flags them, are the result of this step.
Put a subcontractor and a hire into the month
Include one transaction that filled a subcontractor's machine and one hired machine. Establish where each boundary decision is recorded, who made it, and whether the subcontractor's litres leave your Scope 1 total without disappearing from the record.
Add one HVO delivery and one blend
Show the factor selected, its source, its version and the date it was applied; the in-scope methane and nitrous oxide; and the outside-of-scopes CO2 reported separately. For the blend, ask where the ratio came from and how each part was factored.
Change the factor set
Move the month from one annual UK factor set to the next. Establish whether prior results are restated, whether the system records why each factor changed (a method or accuracy change, or a real change in the fuel supplied), and whether the HVO switch still shows as a real change in emissions rather than being absorbed into the restatement.
Export what an assurer would ask for
Litres, data source, asset, boundary decision, fuel, factor, factor version and result, as one traceable set. Confirm it is readable without a licence and that your contract allows the factor values to be shown to your assurer.
Researched product scope
Seven profiles in our researched catalogue have a capability record that names Scope 1 calculations: four recorded as documented by the vendor and three as depending on scope. As of 22 September 2026, none of those seven records mentions fuel, fleet, vehicles, plant or machinery, telematics, biofuels or biogenic CO2. They are shown here as the calculation layer a fleet figure would feed, with each record quoted from the profile — not as construction fleet tools. The absence of those terms is a statement about what we have checked, not a finding that any product lacks these functions; the demonstration above is how to establish it. A record marked as documented by the vendor summarises what the vendor's own published material describes on the date checked; it is not a test result.
We name no vendor we have not researched. Other researched profiles record carbon or emissions calculations in other words, or mention Scope 1 only in a feature list, without a capability record that names Scope 1; they are not listed here, and our carbon accounting software guide covers some of them.
Persefoni
Scope 1 record: Organizational carbon inventory (Documented by vendor)
“Scope 1, 2 and 3 calculations are documented; assess the required activity categories and accounting boundary.”
Source for this record: https://www.persefoni.com/business/carbon-footprint-measurement-analytics
Also recorded: API and Integration Hub ingestion (Depends on scope)
“The plan comparison places APIs and Integration Hub in Advanced, distinct from Pro forms and bulk uploads.”
Source for this record: https://www.persefoni.com/pricing; https://www.persefoni.com/product/integration-hub
What to make them demonstrate: Ask which plan carries a telematics or fuel-card feed, or whether fleet data would arrive by upload, and watch one month arrive by that route.
Profile checked 19 September 2026.
Diligent ESG
Scope 1 record: Greenhouse gas calculations (Documented by vendor)
“The carbon product covers Scope 1, 2 and 3 activity data using an embedded factor library. Validate the chosen method and factor vintage on a sample record.”
Source for this record: https://www.diligent.com/solutions/carbon-accounting
Also recorded: Licensed factor portability (Depends on scope)
“Published product terms restrict export or external disclosure of emissions factors and conversion values unless the agreement permits it. Obtain written confirmation of auditor access and permitted reuse.”
Source for this record: https://www.diligent.com/-/media/diligent-accuvio-and-or-diligent-esg.pdf?hash=82FD82923B48BF2026AB0F03A7B42821&rev=9eae5c7f-4786-4aa1-b413-b0b5d718ad5f
What to make them demonstrate: Obtain written confirmation that your assurer may see the factor, and its version, behind every fuel line.
Profile checked 20 September 2026.
Normative
Scope 1 record: Corporate carbon inventory (Documented by vendor)
“Corporate accounting covers Scope 1, 2 and 3. Test activity mapping, estimates and the boundary used for your entities.”
Source for this record: https://normative.io/platform/carbon-accounting/
Also recorded: Calculation evidence (Documented by vendor)
“The carbon platform documents traceability from source information to calculated results. Sample exports with your reviewer.”
Source for this record: https://normative.io/platform/carbon-accounting/
What to make them demonstrate: Trace one fuel-card line to its transaction and its asset, not to a monthly total.
Profile checked 20 September 2026.
osapiens HUB
Scope 1 record: Corporate carbon data collection (Documented by vendor)
“The CCF offering supports Scope 1, 2 and 3 information, contributor input and API-based import.”
Source for this record: https://osapiens.com/solutions/ccf/
Also recorded: ERP and procurement integration (Depends on scope)
“The platform describes connections with ERP and procurement systems. Confirm connectors, mappings and ownership for the purchased suites.”
Source for this record: https://osapiens.com/en/platform
What to make them demonstrate: Use contributor input to collect one subcontractor's fuel return and follow it into the calculation.
Profile checked 20 September 2026.
Official sources for this profile
Scope 1 recorded as depending on scope
These profiles record Scope 1 within a capability whose licensed scope, methods, boundaries or factor provenance the record says must still be confirmed.
Novisto
Scope 1 record: Carbon calculation scope (Depends on scope)
“Novisto Carbon documents Scope 1, 2 and 3 and all 15 Scope 3 categories; confirm licensed scope and methods.”
Source for this record: https://novisto.com/product/carbon-management-software
Profile checked 19 September 2026.
Emex
Scope 1 record: CarbonGo emissions reporting (Depends on scope)
“CarbonGo advertises standardised Scope 1, 2 and 3 activities for up to five sites at its public starting price. Confirm methods, reporting boundaries and inclusion separately from EHS.”
Source for this record: https://emex.com/carbon-go/
Profile checked 20 September 2026.
ERA-EHS
Scope 1 record: Sustainability metrics (Depends on scope)
“The sustainability module tracks organizational metrics and Scope 1, 2 and 3 information, with configurable factors and facility rollups. Verify boundaries and factor provenance.”
Source for this record: https://www.era-environmental.com/solutions/sustainability
Profile checked 20 September 2026.
Two researched profiles record telematics in their purchase scope. Samsara's profile records fleet telematics as a purchase scope distinct from its cameras and workflows, and Lytx (DriveCam)'s records telematics bundles as requiring explicit inclusion. Neither profile, checked on 20 September 2026 and 19 September 2026 respectively, yet covers fuel, engine-hour or emissions reporting. That is a gap in our research, not a finding that either product lacks them, and it is why neither is listed here as an emissions tool. If your telematics comes from either, its export is the input you bring to the demonstration: ask the vendor to show the fuel and engine-hour fields it contains and any emission factor it applies.
Questions that separate candidates
Sources and evaluation limits
Accounting method: GHG Protocol: Corporate Accounting and Reporting Standard (revised edition). UK factors: DESNZ: Greenhouse gas reporting, conversion factors 2026; DESNZ: 2026 conversion factors methodology paper. SECR: legislation.gov.uk: SI 2008/410, Schedule 7 Part 7 (quoted companies); legislation.gov.uk: SI 2008/410, Schedule 7 Part 7A (unquoted companies). London NRMM: Greater London Authority: NRMM Practical Guide, version 6 (January 2024); Cleaner Construction for London (Merton Council, on behalf of the GLA): NRMM emissions savings estimates, 4 November 2025; City of London Corporation: Non-Road Mobile Machinery. EU: EUR-Lex: Directive (EU) 2025/794 (stop-the-clock); EUR-Lex: Directive (EU) 2026/470 (Omnibus I); European Commission: corporate sustainability reporting; European Commission: revised ESRS adopted, 3 July 2026; European Commission: C(2026) 5010, Delegated Regulation as adopted on 3 July 2026; European Commission: C(2026) 5010 annexes (revised ESRS as adopted); EUR-Lex: Commission Delegated Regulation (EU) 2026/1563 (revised ESRS), OJ L, 21 September 2026. United States: US SEC: proposed rescission of the climate disclosure rules (press release 2026-49); US SEC: rulemaking file S7-2026-19; California Air Resources Board: corporate GHG reporting programme (SB 253). All opened and read on 22 September 2026.
The GLA's NRMM web page returned a bot-verification screen to our browser on 22 September 2026, so the London dates come from the GLA's Practical Guide (version 6, January 2024), which set out the 2025 and 2030 steps in advance. The Cleaner Construction for London summary of 4 November 2025 confirms that the 2025 step took effect. The City of London's page, updated 16 September 2026, confirms Stage IV as current in the Square Mile only; because the Square Mile is in the Central Activities Zone, where Stage IV already applied, it does not independently confirm the Greater London-wide step. The revised ESRS wording cited was read in the Commission's adopted text of 3 July 2026 and checked against Delegated Regulation (EU) 2026/1563 as published in the Official Journal on 21 September 2026, which enters into force on 10 November 2026.
Nothing here is legal advice, and whether an obligation applies to your business, and how, is a determination for the people accountable for your report. This page publishes no emission factors and no figures for fleet emissions or for the effect of any fuel, because the right factor depends on the fuel, the year and the file version, and we have measured no fleet. Each Scope 1 record shown quotes the capability record in that product's researched profile, with the date it was checked and its source. A record marked as documented by the vendor summarises what the vendor's own published material describes; one marked as depending on scope carries a licensing, method, boundary or factor-provenance qualification still to be confirmed. Vendor material describes intended behaviour, not observed behaviour: nothing was tested hands-on, nothing is ranked, and this is not a complete market survey.
qhsetech.com has a disclosed commercial partner, set out on the About page. No partner placement appears here, because that partner's researched profile does not document fleet, fuel or Scope 1 emissions calculation.