Cummins Engine Co., Inc. will provide the diesel engine and soot filter for a hybrid electric drive system for 125 Orion VII buses, manufactured by Orion Bus Industries and Lockheed Martin Control Systems. The engine, a modified Cummins ISB-275 with a catalyzed soot filter, will power the buses. The combination of these technologies will both increase fuel economy and reduce bus emissions to a level below 15 grams NOx (oxides of nitrogen) per mile and .06 grams of particulate matter per ...
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