Methodologies
Have confidence in your carbon calculations with our best-in-class methodologies
Customiseable and pre-assured methodologies for business travel
Assured to the ISO 14083:2023 standard
Companies can choose any combination of methodologies to suit their needs, whether for emissions forecasting, policy change modelling, or reporting under regulatory requirements.
Thrust Carbon was the first company in business travel to be assured to ISO 14083. Our clients know that their emissions calculations will pass audits with ease.
We're methodology agnostic, we can work with what you need...
ICAO+: The fuel-based methodology designed for business travel
Thrust Carbon's proprietary methodology for air travel.
- Used at point of sale by SAP Concur, CWT, Flight Centre, Clarity and more.
- Used directly by Fortune 500 and FTSE 100 enterprises with a combined market capitalisation of over 7 trillion dollars.
- Advanced calculations based on aircraft type, load factor and more.
- Every data point is transparent and auditable - perfect for business travel.
TIM: Fuel-based methodology developed by Google and Travalyst
Through our partnership with Google, Thrust Carbon is pleased to offer the Travel Impact Methodology (TIM) to clients.
- Used at point of sale by Google and others.
- Endoresed by the Travalyst coalition.
- Provides per-flight, per-cabin estimates so travellers can compare options at booking.
- Governed by an expert advisory committee with a formal validation framework and error analysis against real-world fuel-burn data.
IATA CO2 Connect: Fuel-based methodology powered by real world data
Through our partnership with IATA, Thrust Carbon is pleased to offer IATA CO2 Connect to clients.
- Used at point of sale by Amex GBT (Neo platform) and others.
- Provides per-flight, per-cabin estimates so travellers can compare options at booking.
- Focus on real airline operational and fuel-burn data.
Thrust Spend Methodologies: Robust calculations for all travel modes
Thrust Carbon's proprietary methodology for spend data.
- Seamlessly integrates with any company's expense data in SAP Concur and other platforms via live data feed.
- Available for all travel modes - air, rail, taxi, hotel and more.
- Created using real-world data and used by dozens of Fortune 500 and FTSE 100 companies.
Our proprietary hotel methodology: the TC-HSI
Across all hotels globally
The Thrust Carbon Hotel Sustainability Index (TC-HSI) assigns a unique sustainability score to every single hotel in the world, combining data from numerous sources:
- Nightly emissions
- Building sustainability
- Hotel policies
- Green certifications
Defra and Defra+: Enhancing the industry standard
Thrust Carbon supports both the standard 'Defra' methodology and an enhanced variation, 'Defra+'.
- Defra+ creates more granular data for reporting and emissions forecasting, while remaining easy to use with minimal input data.
- Used by dozens of Fortune 500 and FTSE 100 companies.
Quality-assured European rail methodolgies
Thrust Carbon's clients have access to dozens of European rail methodologies, for countries such as France, Germany, Switzerland and more.
- Used at point of sale by SAP Concur and more.
- Maintained in-house by dedicated engineers and emissions experts.
Green Travel Data for UK Rail
Thrust Carbon helped design the first version of the Rail Delivery Group's 'Green Travel Data' (formerly known as Green Travel Pledge) methodology.
- Advanced carbon calculations for train journeys in England, Scotland and Wales.
- Bespoke carbon calculations every route on the GB rail network, taking into account distance, train type, load factor and more.
- Radically more precise than the Defra rail methodology.
Use the TC-HSI to drive change in your business
Procure sustainable suppliers
Write data-backed policies
Drive sustainable decision making
Help travellers understand their impact