UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy
Green Car Congress
MAY 3, 2016
4-cylinder engine; charging capability remains the same, as does the electric range. The updated trucks, which were originally purchased in September 2015, deliver up to four times the fuel economy of a gasoline-powered vehicle, UPS said. liter internal combustion engine (ICE) served as the genset engine. Earlier post.).
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