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On this page you will find links to information about highway vehicles 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.
Publications and Related Links:
- Recreational Vehicles: information about off-highway motorcycles, ATVs and utility vehicles
- Fuels
- Vehicle and Engine Emission Modeling Software
- Test Procedures and Laboratory Methods
- 2008 Progress Report: Vehicle and Engine Compliance Activities (PDF) (49 pp, 3.9MB, EPA-420-R-10-022, August 2010, About PDF)
- 2007 Progress Report: Vehicle and Engine Compliance Activities (PDF) (64 pp, 890K, EPA420-R-08-011, October 2008, About PDF)