Air pollution
Subtitle: unresolved issues may hamper success of EPA's proposed emissions program : report to the chairman, Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives
By: United States General Accounting Office.
Publisher: GAO
Published: 1992
Place of publication: Washington, D.C
Language: eng
Number of pages: 27
Subjects: Automobiles -- Motors -- Exhaust gas -- Testing.; Air -- Pollution -- Measurement.
Notes: Cover title.

"September 1992."

"GAO/RCED-92-288."

"B-248220"--P. 1.

Includes bibliographical references.