Frequent Questions
What's New in OTAQ
OTAQ Recent Additions
- August 31: EPA established Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines
- August 31: EPA announced an opportunity for public hearing and comment on California's request for authorization of its Advanced Clean Car Program
- August 28: EPA and NHTSA finalize standards to reduce greenhouse gases and improve fuel economy for cars and light trucks.
OTAQ Press Releases
- September 6, 2012: Recreational Vehicle Manufacturer to Pay $885,000 Penalty to Resolve Violations of the Clean Air Act
- September 5, 2012: In Support of Affected States, EPA Approves Temporary Fuel Waiver for 8 States Impacted by Hurricane Isaac
- August 28, 2012: Obama Administration Finalizes Historic 54.5 mpg Fuel Efficiency Standards/ Consumer Savings Comparable to Lowering Price of Gasoline by $1 Per Gallon by 2025
OTAQ Federal Register Notices
- September 11, 2012: Notice of Opportunity To Comment on a Methodology for Allocating Greenhouse Gas Emissions to a Combined Heat and Power Configuration Under the Renewable Fuels Program, and the Application of this Methodology to a Proposed Plant by Dakota Spirit AgEnergy in Spiritwood, ND
- September 5, 2012: Nonconformance Penalties for On-Highway Heavy-Duty Diesel Engines
- August 31, 2012: California State Motor Vehicle Pollution Control Standards; Advanced Clean Car Program; Request for Waiver of Preemption; Opportunity for Public Hearing and Public Comment
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.)