United States · United States Congress · 6 October 1994
Amends the Clean Air Act to make the emissions standards for model year 1995 motor vehicles applicable to all motor vehicles, in any class or category, manufactured after such model year. Repeals: (1) emissions standards for nitrogen oxides from heavy duty trucks for model years after 1997; (2) specified emissions standards for light-duty trucks for model years after 1995; and (3) requirements for a study on whether further reductions in emissions from light-duty vehicles are necessary.
United States · United States Congress · 24 February 1994
Amends the Clean Air Act to treat an ozone nonattainment area as a rural transport area if sources of volatile organic compounds (and, where relevant, nitrogen oxide) emissions within an area do not result in more than 35 percent of the ozone concentrations measured in the area or in other areas. (Rural transport areas must meet requirements applicable to marginal nonattainment areas.)