A bill to amend the Clean Air Act to make certain modifications in provisions relating to automobile emission control devices and fuel additives, and for other purposes.

[AI summary unavailable — showing source text] Amends the Clean Air Act to stipulate that no motor vehicle emission standard promulgated under such Act shall apply to any motor vehicle which will be used predominantly in an area in which the reduction of motor vehicle emissions is not necessary to meet national ambient air quality standards. Stipulates that the Administration of the Environmental Protection Agency may not control or prohibit the sale of any fuel, class of fuels, or fuel additive if the Administrator determines that: (1) such product will be predominantly used in an area in which the reduction of motor vehicle emissions is not necessary in order to meet national ambient air quality standards; and (2) the use of such a product will not significantly impair the performance of any emission control device in the motor vehicle in which the product will be used.…