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Transportation
Green Vehicle Guide Use this guide to choose the cleanest and most fuel-efficient vehicle that meets your needs. Low emissions and good fuel economy are both important for the environment.
EPA is leading a number of initiatives to help reduce greenhouse gas emissions from transportation, and is developing the nation's first standards to reduce greenhouse gas emissions from new cars and trucks.
On this page:
- SmartWay Sign on to fleet standards for your goods movement fleet and get the SmartWay logo on your trucks
- West Coast Collaborative Find out how to green your fleet and get funded for the upgrades and retrofits
- California Emerging Clean Air Technology Initiative Find out some of the cutting edge technologies that slash transportation emissions and improve air quality.
- Alternative Fuels Explore biofuel options for your fleet
- Ports Learn how ports are addressing climate change
SmartWay
SmartWay is EPA's voluntary program for improving fuel efficency and reducing greenhouse gas and air pollution from the transportation sector.
All of EPA SmartWay transportation programs result in significant, measurable air quality and/or greenhouse gas improvements while maintaining or improving current levels of other emissions and/or pollutants.
Find out what you can do to save fuel, money, and the environment with SmartWay:
- SmartWay Consumer Vehicles
- Fuel Options
- SmartWay Transport Partnership
- SmartWay Tractors and Trailers
- SmartWay Financing Options
West Coast Collaborative
The West Coast Collaborative 
is a partnership between federal, state, and local governments which is focused on creating, supporting and implementing diesel emissions reductions projects along the West Coast.
The Collaborative is focused on creating, supporting and implementing diesel emissions reductions projects. The Collaborative is organized around six sector workgroups that meet regularly by teleconference and occasionally face-to-face:
- Locomotives and Rail
- Trucking
- Construction and Distributed Generation
- Agriculture and Biofuels
- Marine Vessels and Ports
- Public Fleets
California Emerging Clean Air Technology Initiative
On July 9, 2008, representatives from EPA, the California Environmental Protection Agency, the California Air Resources Board, the South Coast Air Quality Management District, and the San Joaquin Valley Air Pollution Control District signed a Memorandum of Agreement (MOA). The principal goal of the agreement is to improve air quality by aligning agency research resources, where possible, to evaluate innovative and emerging emission reduction technologies and choose technologies on which to collaborate with each other to accelerate development and deployment. The Clean Technology Initiative is an ongoing effort with the signatories of the MOA, as well as others, to reduce criteria and greenhouse gas air pollutants targeted in the South Coast and San Joaquin Valley.
Alternative Fuels
Biofuels are those made from feedstocks that have taken their carbon content from the atmosphere relatively recently (i.e., in the last few decades). By contrast, fossil fuels are made from carbon fixed from the biosphere millions of years ago. This difference has implications for the global-warming potential of the fuel, as the carbon emitted by biofuels is recycled from the atmosphere while fossil fuels dump excess carbon into the atmosphere. In addition to biofuels, there is also R&D for other low carbon fuel sources, such as hydrogen.
Cleaner Fuels: Alternative Fuel Options provides links to EPA and non-EPA Web-based resources that provide additional information on transportation and fuels. Links go directly to specific Web sites or documents that address fuel-related trends and issues.
- U.S. Environmental Protection Agency Resources
- Other Federal Departments & Agencies
- State, Local, and Regional Programs
- Non-Governmental Organizations
Transportation solutions provide information on the use of environmentally beneficial alternative fuels and vehicles, including information about fuels such as E85 ethanol, biodiesel, and others.
On-Road Vehicles and Engines has links to information about highway vehicles (cars and light trucks, heavy trucks, buses, engines, and motorcycles) including fuel economy, emission standards and regulations, emission recall programs, new vehicle certification and in-use vehicle compliance, inspection and maintenance programs, diesel retrofit programs, evaluating the benefits of inventions designed to reduce emissions, and importing vehicles to the United States.
Alternative Fuels and Advanced Vehicles Data Center This is a comprehensive clearinghouse of data, publications, tools, and information related to advanced transportation technologies. Sponsored by the U.S. Department of Energy's Clean Cities initiative and technically administered by the National Renewable Energy Laboratory, the AFDC hosts more than 3,000 documents, interactive tools that help fleets and consumers make transportation decisions, and a wealth of information to educate the public on alternative fuels and advanced vehicles, including the Virtual Information Bridge to Energy Efficiency and Renewable Energy and DOE's U.S. map of alternative fueling stations.
Fuel Economy EPA is responsible for providing fuel economy (gas mileage) data that is posted on the window stickers of new vehicles. These fuel economy estimates help consumers compare the fuel economy of different vehicles. Fuel economy data is also used by:
- U.S. Department of Energy (DOE) to publish the annual Fuel Economy Guide
- U.S. Department of Transportation (DOT) to administer the Corporate Average Fuel Economy (CAFE) program, and
- Internal Revenue Service (IRS) to collect gas guzzler taxes
Alternative Fuel Vehicle Institute (AFVI) is the education provider and information link between the alternative fuels and vehicles industry and public/private fleets and other proponents of alternative fuels. AFVI is fuel and technology neutral.
AFVI’s primary focus is to help improve our country’s transportation energy supply by facilitating market integration of new transportation fuels and technologies while minimizing environmental impacts.
Ports
While emissions reductions programs at ports have so far emphasized criteria pollutants and their direct effects on public health, the action plans that many ports have adopted,such as the San Pedro Ports Clean Air Action Plan, may also have benefits in terms of greenhouse gas reductions.
Under an agreement with the Attorney General of California , the Port of Los Angeles will conduct a comprehensive inventory of port-related greenhouse gases—tracking these emissions from their foreign sources to domestic distribution points throughout the United States. The port will annually report this data to the California Climate Action Registry, a program which gathers baseline emissions data about greenhouse gases generated in California.
Other resources
