Study - USA - New technology buses not necessarily better
STORRS, Conn.,USA - Newsday -Sept 15, 2005 :-/ A University of Connecticut study has found there is little to gain by switching from diesel-powered buses to diesel-electric hybrids... The hybrids did not reduce emissions as much as expected and were not significantly better in mileage, according to the study released Thursday... The study shows that particle emissions, such as soot, from two hybrid diesel-electric buses purchased by CT Transit and emissions from two comparable CT Transit diesel buses were statistically identical, "despite the fact the hybrid buses are marketed as being more environmentally friendly"... The buses were tested between January and November 2004 during highway driving on Interstate 91, city driving on Farmington Avenue in Hartford and high-grade driving over Avon Mountain...
posted by Unknown @ 1:30 PM
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