NREL Evaluates UPS Hybrid-Electric Van Performance
Tuesday, December 22, 2009 - 17:14
in Physics & Chemistry
(PhysOrg.com) -- The U.S. Department of Energy's National Renewable Energy Laboratory (NREL) has collected and analyzed fuel economy, maintenance and other vehicle performance data from UPS`s first generation hybrid diesel step delivery vans powered by an Eaton Corp. electric hybrid propulsion system.