Maps and Data - Greenhouse Gas Reductions in Light- and Heavy-Duty Vehicles
Find maps and charts showing transportation data and trends related to alternative fuels and vehicles.
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Vehicles: Fuel Consumption and Efficiency
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Fuel Economy and Consumption of Light-Duty Vehicles
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Fuel Economy at Various Driving Speeds
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Fuel Use by Transportation Mode in 2019
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Power and Fuel Economy of the Average Light-Duty Vehicle
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Vehicle Fuel Efficiency (CAFE) Requirements by Year
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Vehicles: Vehicle Market
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AFV and HEV Model Offerings, by Manufacturer
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Efficiency Ratios for Light-Duty All-Electric Vehicles in the United States
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Light-Duty Vehicles Produced in the United States
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TransAtlas
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Types of Vehicles by Weight Class
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U.S. Vehicles by Transportation Mode
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Vehicle Weight Classes & Categories
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Vehicles: Driving Patterns
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Annual Vehicle Miles Traveled in the United States
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Average Fuel Economy by Major Vehicle Category
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Average Monthly Fluctuation in U.S. Vehicle Miles Traveled
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Average Vehicle Trip Length by Purpose (2017)
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Means of Transportation to Work
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Share of All U.S. Vehicle Trips by Length (miles)
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Laws & Incentives
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Biodiesel Laws and Incentives by State
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Electric Vehicle Laws and Incentives by State
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Ethanol Laws and Incentives by State
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Fuel Taxes by Country
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Hydrogen Laws and Incentives by State
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Incentive Additions by Policy Type
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Law and Incentive Additions by Fuel/Technology Type
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Greenhouse Gas Reductions in Light- and Heavy-Duty Vehicles
Gasoline | Diesel | Propane | LNG | CNG | Ethanol (Corn) | H2 (SMR) | Electricity | Biodiesel | Renewable Diesel | RNG (Landfill) | Fuel Economy | Idle Reduction | VMT Reduction | RNG (Animal) | RNG (Wastewater) | |
Light-Duty Vehicles | 0 | -13 | -16 | -40 | -43 | -61 | -68 | -80 | -84 | -100 | -100 | -100 | -130 | -146 | ||
Heavy-Duty Vehicles | 0 | 3 | -3 | -7 | -46 | -61 | -61 | -76 | -83 | -100 | -100 | -100 | -133 | -151 |
Source: Derived from AFLEET 2020 for the Clean Cities and Communities Coalition Network. Data reflect input values deemed applicable to the average or majority of U.S. drivers at a national level.
This figure compares the greenhouse gases (GHGs) emitted by various fuels over their lifecycle when achieving the same transportation objectives. Propane and CNG emit 13% and 16% fewer GHGs than conventional gasoline in light-duty vehicles (LDVs). Corn ethanol and hydrogen produced from steam-methane reforming (currently the most common source of hydrogen) both reduce emissions about 40% over their lifecycles. Electricity (assuming the nationwide average grid mix) and biodiesel both reduce emissions by more than 60%. Fuel economy, idle reduction, and VMT-reduction projects all reduce GHG emissions 100% because they have no alternative or upstream emissions. Renewable natural gas reduces emissions by 84%-146%, depending on the source, because these projects keep methane from venting to the atmosphere. Greenhouse gas reductions from heavy-duty vehicles (HDVs) are similar to those of LDVs, but slightly smaller because diesel engines (which are the baseline for this chart) are more efficient than gasoline engines.
To view more details, notes, and acronyms, please download the Excel spreadsheet.
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