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From Neatorama:
The EPA and UPS have unveiled "the most fuel-efficient and cost effective delivery vehicle in the world", a stylish UPS delivery truck powered by a hydraulic hybrid propulsion system: According to the EPA, the hydraulic hybrid technology can increase fuel efficiency by 60-70% in urban use and lowers greenhouse gas emissions by 40% compared to UPS's conventional diesel delivery trucks. The system was developed in concert with leading automotive engineering firm, FEV Engine Technology, Inc. (FEV).
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