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United States · Bill · HR

H.R. 4977 (94th)

A bill to amend the Clear Air Act to provide for more effective motor vehicles emission controls at high altitudes.

referredUnited States· United States Congress· EN

Introduced

14 March 1975

Last action

Status

Referred to House Committee on Interstate and Foreign Commerce.

Sponsors

Subjects

Discovery layer

Source updated

1 August 2024

Summary

Provides, under the Clean Air Act, that specified vehicles and engines sold to ultimate purchasers shall comply with specified emission standards for altitudes up to 7,000 feet above sea level. States that this Act shall apply to motor vehicles manufactured during the model year 1976 and thereafter. Directs that, upon request of the Governor of a State, the Administrator of the Enviromental Protection Agency shall prescribe, or shall authorize an agency of such State to prescribe, regulations authorizing specific modifications by the manufacturer or dealer of any motor vehicle emission control system if, in the Administrator's determination, such modifications are within reasonable cost limits are necessary to assure that such system functions in compliance with the provisions of the Clean Air Act under normal driving conditions in such State, including high altitude conditions. Provides that, under regulations prescribed by the Administrator, the manufacturer of any motor vehicle or engine manufactured after model year 1969 shall provide to the dealer, upon the dealer's request, such equipment and technical assistance as may be needed to modify any device or element of design for purpose of assuring that such vehicle or engine meets applicable regulations at the appropriate altitude, up to 7,000 feet above sea level. Authorizes to be appropriated, for the purpose of studying the problems of motor vehicle emissions peculiar to urban areas located more than 4,500 feet above sea level, a sum not to exceed $750,000.

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Documents

1 official file

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