Frequent Questions
What's New in OTAQ
OTAQ Recent Additions
- October 11: National Clean Diesel Campaign awards $30 million for DERA projects.
- October 9: EPA Honors 2012 SmartWay Excellence Awardees!
- October 2: EPA is currently conducting adequacy reviews of the PM10 second 10-year maintenance plan for Northern Ada County, Idaho.
OTAQ Press Releases
- October 15, 2012: U.S. EPA Awards Over $126,000 to Nevada for Clean Diesel Project
- October 15, 2012: U.S. EPA Awards Over $5 Million to California for Clean Diesel Projects
- October 15, 2012: U.S. EPA Awards over $100,000 to Pacific Territories for Clean Diesel Projects
OTAQ Federal Register Notices
- October 15, 2012: 2017 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions and Corporate Average Fuel Economy Standards
- October 15, 2012: Approval and Promulgation of Implementation Plans; Portion of York County, South Carolina Within Charlotte-Gastonia-Rock Hill, North Carolina-South Carolina 1997 8-Hour Ozone Nonattainment Area; Reasonable Further Progress Plan
- October 12, 2012: Approval and Promulgation of Implementation Plans; North Carolina Portion of the Charlotte-Gastonia-Rock Hill, North Carolina-North Carolina 1997 8-Hour Ozone Nonattainment Area; Reasonable Further Progress Plan
EPA's Office of Transportation and Air Quality protects public health and the environment by regulating air pollution from motor vehicles, engines, and the fuels used to operate them, and by encouraging travel choices that minimize emissions. These "mobile sources" include cars and light trucks, heavy trucks and buses, nonroad engines, equipment, and vehicles. For more information see:
- About the Office of Transportation and Air Quality (OTAQ)
- About the National Vehicle and Fuel Emissions Laboratory (NVFEL)
OTAQ's top sites
OTAQ's programs and website topics (A detailed list of programs and topics is on our site map.)