FedEx has expanded its hybrid fleet by 50 percent from 172 to 264 trucks, according to FedEx Corp. The delivery trucks of model years 2000 and 2001 with between 300,000 to 500,000 miles were fitted with a diesel Cummins engine and Eaton’s hybrid system from Freightliner Custom Chassis Corporation and Eaton Corporation. FedEx says the [...]