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Proposed rulemaking for greenhouse gas emissions and fuel efficiency standards for medium- and heavy

[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division : Office of International Policy, Fuel Economy, and Consumer Programs, National Highway Traffic Safety Administration, U.S. Department of Transportation, 2015. 2015

Proposed rulemaking for greenhouse gas emissions and fuel efficiency standards for medium- and heavy

[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division : Office of International Policy, Fuel Economy, and Consumer Programs, National Highway Traffic Safety Administration, U.S. Department of Transportation, 2015. 2015