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The aftermarket costs of heavy-duty diesel mufflers

Heiser, Daniel, author.
[Ann Arbor, Mich.] : Standards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency, July 1980. 1980-

The amount of vehicle operation over 50 mph : draft technical report

Torres, Myriam, author.
[Ann Arbor, Mich.] : Standards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, U.S. Environmental Protection Agency, July 1978. 1978-

Analysis of impact of fuel RVP on exhaust emissions at 75°F ambient temperature

Shih, C. C., 1947-2018, author.
[Ann Arbor, Mich.] : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Sources, U.S. Environmental Protection Agency, 1988. 1988