GreenNews - USA - School Buses Retrofitted To Reduce Pollution
Denver,CO,USA -cbs4denver.com/AP -Jul 6, 2006: -- Front Range public school districts are retrofitting their school buses to cut down on pollution and shield children from diesel exhaust... Fifteen school districts have received $3.5 million in federal grants to install closed crankcase units that stop fumes from getting into the passenger area, catalysts that cut tailpipe emissions, and preheaters that reduce engine idling...
posted by Unknown @ 4:44 PM
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