Air pollution control research into fuels and motor vehicles.
Subtitle: Hearing, Ninety-first Congress, first session, on H.R. 12085 ... June 19, 1969.
Publisher: U.S. Govt. Print. Off.
Published: 1969
Place of publication: Washington
Language: eng
Number of pages: 125
Subjects: Automobiles -- Motors -- Exhaust gas -- Law and legislation -- United States.; Air -- Pollution -- Law and legislation -- United States.
Notes: Bibliography: p. 79-80.
"Serial no. 91-17."