TY - BOOK ED - Clean Cities (Program: U.S.) TI - Clean cities now: official publication of Clean Cities and the Alternative Fuels Data Center PY - 2005///- CY - Golden, CO PB - Clean Cities and the Alternative Fuels Data Center KW - Fuel switching KW - Local KW - Transportation KW - Energy conservation KW - Environmental aspects KW - Air KW - Pollution KW - Spark ignition engines KW - Alternative fuels N1 - Title from caption (viewed Mar. 22, 2005) UR - http://purl.access.gpo.gov/GPO/LPS59021 ER -