Author
United States. Environmental Protection Agency. Office of Transportation and Air Quality
9
Library of Congress. Congressional Research Service,
7
United States. Congress. Senate. Committee on Environment and Public Works,
6
United States. Environmental Protection Agency. Office of Transportation and Air Quality,
6
United States. Environmental Protection Agency. Office of Transportation and Air Quality. Compliance Division,
6
Bracmort, Kelsi,
4
Yacobucci, Brent D.,
4
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Power,
3
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety,
3
National Renewable Energy Laboratory (U.S.),
2
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Environment,
2
United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on Energy Policy, Health Care, and Entitlements,
2
United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Subcommittee on Oversight,
2
United States. Congressional Budget Office
2
United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division
2
United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division,
2
United States. Environmental Protection Agency. Office of Transportation and Air Quality. Compliance and Innovative Strategies Division,
2
Austin, David,
1
Balser, S.
1
Cox, Sadie,
1
Dinan, Terry
1
Dinan, Terry,
1
Esterly, Sean,
1
Gearhart, Chris,
1
Gecan, Ronald William,
1
National Renewable Energy Laboratory (U.S.)
1
Prest, Brian
1
United States. Congress. House. Committee on Agriculture
1
United States. Congress. House. Committee on Energy and Commerce,
1
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy,
1
United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on Health Care, Benefits, and Administrative Rules,
1
United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on the Interior,
1
United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Subcommittee on Energy,
1
United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Subcommittee on Environment,
1
United States. Congress. Senate. Committee on Energy and Natural Resources
1
United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Subcommittee on Regulatory Affairs and Federal Management,
1
United States. Environmental Protection Agency,
1
United States. Environmental Protection Agency. Air Quality Assessment Division
1
United States. Environmental Protection Agency. Office of Transportation and Air Quality. Compliance Division
1