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Title: Testing Vehicle Exhaust Emissions
Author: W. B. Marshall
Source: American Gas Association 1972
Year Published: 1972
Abstract: The State of California embarked recently on a program of vehicle exhaust emissions testing at roadside vehicle inspection lanes. The state highway patrol, as a part of its vehicle safely inspection program, is conducting the emissions tests under standards set by the State Air Resources Board (the states policy arm on all air pollution matters). Static tests arc made for both unburned hydrocarbons (HC) and carbon monoxide (CO) at idle speeds. Under federal law periodic inspections of used vehicles by states will be encouraged. These in California and a program currently starling in New Jersey are the first of such tests. The instruments chosen for these tests, from early indications, have proven very successful in most respects. The selection of these instruments took place after a series of tests conducted by the Air Resources Board.

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