Air pollution on wheels
Subtitle: transportation controls in southwestern Pennsylvania
By: prepared by the Allegheny County Environmental Coalition
Contributors: United States. Environmental Protection Agency
Publisher: U.S. Environmental Protection Agency
Published: 1975
Place of publication: Washington
Language: eng
Number of pages: 20
Subjects: Automotive exhaust gas; Air; Pollution
Notes: Cover Title.

Printed under Contract #68-01-2405.