Search Results       Your search for [subject]Fuel switching -- Environmental aspects returned 1 record.           Breathing clean : considering the switch to natural gas buses. by Kojima, Masami.; Washington, DC: World Bank, 2001. Subject: Buses; Internal combustion engines, Spark ignition -- Alternate fuels; Gas industry; Compressed natural gas; Liquefied natural gas; Fuel switching -- Environmental aspects.          Add to Book Cart Relevance: 19.64%