US GM unveils biodiesel-ready heavy trucks

08 February 2010 19:54  [Source: ICIS news]

GRAPEVINE, Texas (ICIS news)--US automaker General Motors (GM) on Monday extended its line-up of vehicles powered by a renewable fuel, unveiling a new engine that will allow two of its heavy-duty trucks to run on biodiesel.

GM’s new Duramax 6.6L turbo diesel engine will be able to run on a B20 blend (20% biodiesel and 80% diesel), said the company's biofuels implementation manager, Coleman Jones, at the 2010 National Biodiesel Conference.

The engine will equip GM’s Chevy Silverado and GMC Sierra heavy-duty trucks, as well as the Chevrolet Express and GMC Savana full-size vans.

Jones said GM plans to officially unveil the Silverado trucks at the Chicago Auto Show on 10 February. The vehicles, which will be for model year 2011, are GM's first to win ASTM approval for biodiesel operation.

Fellow automaker Chrysler approved B20 blends for its 2007 Dodge Ram pickup trucks, while Ford Motors announced in 2009 that its F-Series diesel pickups for 2011 would be fully compatible with B20.

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By: Ben Lefebvre
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