Cleaner engines for cleaner air: progress and problems in reducing air pollution from automobiles
Subtitle: report to the Congress [on the] Office of Air Programs, Environmental Protection Agency
By: by the Comptroller General of the United States.
Published: 1972
Place of publication: [Washington
Language: eng
Number of pages: 65
Subjects: United States. Environmental Protection Agency. Office of Air Programs.; Automobiles -- Pollution control devices.; Air -- Pollution -- United States.
Notes: Cover title.
Publication date stamped on t.p.
"B-166506."