Transport Carbon Calculator
Calculate transport carbon with Calculator 360 using the available inputs.
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How to use this calculator
Estimate direct gasoline or diesel combustion CO2 from your fuel amount or distance and MPG US.
The source and scope are stated below. The calculator uses local source snapshots or only the values entered in the form.
EPA 2025 GHG Emission Factors Hub, Table 2, direct combustion CO2 for gasoline or diesel. References: EPA Factors Hub ·
Frequently asked questions
What does this calculator estimate?
Estimate direct gasoline or diesel combustion CO2 from your fuel amount or distance and MPG US.
Is a live source consulted when I calculate?
No. Published source data is imported and validated separately; calculations run against a local snapshot.