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Bigger Trucks * USA - Study says: Greener in Maine
Trucking group finds fuel, emissions benefits to use of heavier tractor-trailers
Augusta,Maine,USA -The Journal of Commerce Online, by William B. Cassidy -Nov 19, 2009: -- In a study researchers found that allowing 100,000 pound trucks already permitted on state roads in Maine to use Interstates could reduce the fuel they consume and emissions... Federal law allows those trucks on state highways, the Maine Turnpike and a portion of Interstate 95 in Kittery... The Maine Department of Transportation contracted the American Transportation Research Institute (ATRI is an affiliate of the American Trucking Associations), to study what would happen if the exemption were broadened to other Interstates in Maine... Using simulation modeling, ATRI compared the performance of a six-axle, 100,000-pound tractor-trailer over I-95 versus Route 9 between Augusta and Brewer, just outside Bangor... On the simulated I-95 route, the truck’s fuel efficiency was 14 to 21 percent better while carbon dioxide emissions decreased 6 to 11 percent compared with Route 9. Nitrogen oxide and particulates emissions were cut 3 to 8 percent, said ATRI... Over a week, those savings would be even greater, amounting to 338 to 675 gallons of fuel... (Photo from hankstruckpictures, by Andy Bruchey: Empty Western Star logger returning from the log yard in Millinocket, ME)
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