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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119 results
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Laws & Incentives
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Natural Gas Laws and Incentives by State
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Propane Laws and Incentives by State
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Renewable Diesel Laws and Incentives by State
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Clean Cities and Communities
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Clean Cities and Communities Coalition Locations
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Clean Cities and Communities Project Awards and Matching Funds
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Clean Cities and Communities: Vehicles
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Clean Cities and Communities Alternative Fuel Vehicle Inventory
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Clean Cities and Communities Energy Use Impact by AFV Type
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Clean Cities and Communities: Energy Use Impact
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Clean Cities and Communities Annual Energy Use Impact
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Clean Cities and Communities Cumulative Energy Use Impact
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Clean Cities and Communities Energy Use Impact by AFV Type
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Clean Cities and Communities Energy Use Impact by VMT Reduction and FE
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Clean Cities and Communities Energy Use Impact through Idle Reduction
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Regulated Fleets: State & Alt Fuel Providers
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AFV Acquisitions by Regulated Fleets (by Fleet Type)
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AFV Acquisitions by Regulated Fleets (by Fuel Type)
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Annual Vehicle Credits Earned and Used by Regulated Fleets
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Biodiesel Purchases by EPAct-Regulated Fleets
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EPAct State & Alternative Fuel Provider Fleet Exemptions
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Vehicle Credits Traded by Regulated Fleets
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Regulated Fleets: Federal Fleets
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AFV Requirements, Acquisitions, and Credits for Federal Agencies
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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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