Five buses ran on B20, the other four on standard petroleum diesel. NREL used standard 2000 model year Orion V buses with Cummins ISM engines that got about 4.41 mpg on the route using either ...
After all, buses tend to operate on routes where there is plenty of stop and go - perfect for a hybrid system. The Orion VII Hybrid has been in use by NYCTransit and other operators for about 5 ...
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