Semiannual report
By: prepared by the Committee on Motor Vehicle Emissions
Contributors: United States. Environmental Protection Agency
Publisher: National Academy of Sciences
Published: 1972
Place of publication: Washington, D.C
Language: eng
Number of pages: 78
Subjects: Automobiles; Motors; Exhaust gas; Motor vehicles; Pollution control devices
Notes: Prepared for the Environmental Protection Agency.

Cover title: Semiannual report by the Committee on Motor Vehicle Emissions of the National Academy of Sciences to the Environmental Protection Agency.