Mobility for Americans in an era of increasing energy, environmental and financial constraints [electronic resource] : hearings before the Subcommittee on Oversight and Review of the Committee on Public Works and Transportation , U.S. House of Representatives, Ninety-sixth Congress, second session, January 7-8, 1980, Atlanta, Georgia, January 9-10, 1980, San Jose, California, February 20-21, 1980, Washington, D.C.