EPA:

Control of Emissions of Air Pollution From Highway Heavy-Duty Engines

OGC-98-9: Published: Oct 29, 1997. Publicly Released: Oct 29, 1997.

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Pursuant to a legislative requirement, GAO reviewed the Environmental Protection Agency's new rule on the control of emissions of air pollution from highway heavy-duty engines. GAO noted that: (1) the rule establishes a new emission standard and related provisions for diesel heavy-duty engines intended for highway operation, beginning with the 2004 model year; and (2) EPA complied with the applicable requirements in promulgating the rule.

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