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<< Laws/Regulations/Guidance
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| Corporate Average Fuel Economy (C A F E ) |
| First enacted by Congress in 1975, the purpose of CAFE is to reduce energy consumption by increasing the fuel economy of cars and light trucks.
Regulating CAFE is the responsibility of NHTSA and the Environmental Protection Agency (EPA). NHTSA sets fuel economy standards for cars and light trucks sold in the U.S.; EPA calculates the average fuel economy for each manufacturer. This site contains an immense amount of information about the CAFE program, including a program overview, related rulemaking activities, research, fleet characteristics and summaries of manufacturers’ fuel economy performance since 1978.
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Automotive Fuel Economy: Title 49 U.S. Code, Chapter 329 |
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| Average Fuel Economy Standards, Passenger Cars and Light Trucks, Model Year 2011 |
| NHTSA estimates that the MY 2011 standards will raise the industry-wide combined average to 27.3 mpg, save 887 million gallons of fuel over the lifetime of the MY 2011 cars and light trucks, and reduce CO2 emissions by 8.3 million metric tons during that period. |
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Final Rule
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Final Regulatory Impact Analysis
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| CAFE Request for Product Plan Info for Passenger Cars and Trucks through MY 2020 |
| The purpose of this request for comments is to acquire new and updated information regarding vehicle manufacturers’ future product plans to assist the agency in assessing what corporate average fuel economy (CAFE) standards should be established for model years 2012 through 2016 passenger cars and light trucks. The establishment of those standards is required by the Energy Policy and Conservation Act, as amended by the Energy Independence and Security Act (EISA) of 2007, P.L. 110-140. |
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Request for Product Plan Information
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| Notice of Intent to Prepare EIS and Scoping Notice, Model Years 2012-2016 |
| The purpose of this notice is to announce that NHTSA plans to prepare an Environmental Impact Statement (EIS) to address the potential environmental impacts of the agency’s Corporate Average Fuel Economy (CAFE) program for passenger cars and light trucks. The EIS will consider the potential environmental impacts of new fuel economy standards for model year 2012-2016 passenger cars and light trucks that NHTSA will be proposing pursuant to the Energy Independence and Security Act of 2007. To this end, this notice initiates the NEPA scoping process to identify the environmental issues and reasonable alternatives to be examined in the EIS, and requests comments regarding those and others matters related to the scope of NHTSA’s NEPA analysis for the new standards.
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Scoping Notice (Issued March 27, 2009)
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| CAFE Request for Product Plan Info for Passenger Cars and Trucks through MY 2017 |
| The purpose of this request for comments is to acquire new and updated information regarding vehicle manufacturers’ future product plans to aid in implementing the President’s plan for reforming and increasing corporate average fuel economy (CAFE) standards for passenger cars and further increasing the already reformed light truck standards. The agency is seeking information in anticipation of obtaining statutory authority to reform the passenger car CAFE program and to set standards under that structure for MY 2010 – 2017 passenger cars. The agency is also seeking this information in anticipation of setting standards for MY 2012-2017 light trucks. |
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Corporate Average Fuel Economy - Request for Product Plan Information for Model Year 2007-2017 Passenger Cars and MY 2010-2017 Light Trucks |
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| Light Truck Fuel Economy Standard Rulemaking (Model Years 2008-2011) |
| This final rule reforms the structure of the Corporate Average Fuel Economy (CAFE) program for light trucks and establishes higher CAFE standards for model year (MY) 2008-2011 light trucks. Manufacturers may comply with CAFE standards established under the reformed structure (Reformed CAFE) or with standards established in the traditional way (Unreformed CAFE) during a transition period of MYs 2008-2010. In MY 2011, all manufacturers will be required to comply with a Reformed CAFE standard.
Under Reformed CAFE, fuel economy standards are restructured so that they are based on a measure of vehicle size called "footprint," the product of multiplying a vehicle's wheelbase by its track width. A target level of fuel economy is established for each increment in footprint. Smaller footprint light trucks have higher targets and larger ones, lower targets. |
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New Light Truck Economy Standards to Save 10.7 Billion Gallons of Fuel |
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Remarks by Secretary Mineta at Announcement |
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Final Rule (large .pdf file, may take time to open) |
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Final Environmental Assessment |
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Final Regulatory Impact Analysis |
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| Summary of Fuel Economy Performance |
| Fleet fuel economy performances, by manufacturers, since 1978, including both imported and domestic passenger cars and light trucks. Also available are the overall fleet fuel economy performance and sales volume data. |
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Summary of CAFE Fines (Updated Jan. 2009)
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Summary of Fuel Economy Performance, Nov. 2008
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Summary of Fuel Economy Performance, March 2008
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Flexible Fuel Credits (2003-2006)
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Summary of Fuel Economy Performance, Oct. 2007 (revised Jan. 15, 2008)
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Summary of Fuel Economy Performance, March 2007 |
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Summary of Fuel Economy Performance, October 2006 |
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Summary of Fuel Economy Performance, March 2005
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Summary of Fuel Economy Performance, March 2004 |
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New Passenger Car Fleet Characteristics |
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Domestic Passenger Car Fleet Characteristics |
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Imported Passenger Car |
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Light Truck |
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2WD Light Truck |
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4WD Light Truck |
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Asian Imported Car |
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European Imported Car |
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Historical Passenger Car |
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| Studies/Reports |
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| Frequently Asked Questions |
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