Author
United States. Congress. Senate. Committee on Environment and Public Works
21
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air, Wetlands, Private Property, and Nuclear Safety
7
United States
5
GPO MARCIVE
4
United States. Congress. House. Committee on Science and Technology. Subcommittee on Investigations and Oversight
2
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air, Climate Change, and Nuclear Safety
2
United States. Environmental Protection Agency. Office of Transportation and Air Quality
2
Charmley, William J.
1
Society of Automotive Engineers
1
United States. Environmental Protection Agency. Transportation and Climate Division
1