NREL testing confirms the fuel economy benefits of Sungate EP(R) automotive glass DETROIT, June 3 /PRNewswire/ — The U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and Pittsburgh Glass Works LLC (PGW) recently concluded testing which shows that Sungate(R) EP automotive glass improves fuel efficiency and cabin comfort in plug-in hybrid electric vehicles (PHEVs). Testing was conducted while using the vehicle’s air conditioning system. The PHEV was cooler and used less

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Press Release – PGW Automotive Glass Improves Fuel Efficiency Up to 6 MPG, Reduces CO2 Emissions for PHEV