Doubts - USA - Study casts on efficiency of hybrid buses
Stamford,CT,USA -Stamford Advocate, by Mark Ginocchio -Sept 17 2005 : -/ A University of Connecticut study found there is little to gain by switching from diesel-powered buses to diesel-electric buses, although state Department of Transportation officials call the study's declarations premature... The study, which was released last week and commissioned by the DOT, found the hybrid buses did not reduce emissions as much as expected and were not significantly better in mileage... The DOT invested in the two buses primarily to see how good the fuel economy would be... Although the manufacturer, Allison Transmission, a division of General Motors, said the fuel economy would be 50 percent better than that of diesel buses, the study found the fuel economy was 10 to 15 percent better... Sanders agreed that the current fuel economy savings was not enough to offset the costs of adding a complete fleet of hybrid buses, but said the agency would continue to research the technology as it develops and the possibility of more hybrids being purchased has not been ruled out...
posted by Unknown @ 11:48 AM
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