US Hybrid Electric Vehicles Have Saved Nearly 5.5M Barrels of Fuel
Agent009 submitted on 6/22/2007 Official Bell & Ross Timestamp: 2:37:05 PM
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Hybrid electric vehicles have saved close to 230 million gallons—5.
5 million barrels— of fuel in the United States since their introduction in 1999, according to a recent analysis conducted by the US Department of Energy’s National Renewable Energy Laboratory (NREL).
To estimate the total fuel saved by hybrid electric vehicles, NREL researchers combined hybrid electric vehicle sales and fuel economy data to determine fuel savings. The fuel economy data included new EPA mpg ratings, and the researchers also reviewed old EPA mpg ratings and user-reported values.
NREL used the VISION modeling software developed by Argonne National Laboratory to determine vehicle stock—the total number of hybrid electric vehicles in use in a given year. The annual vehicle stock estimates and the vehicle sales data were combined to calculate fuel savings of replacing a conventional vehicle with a hybrid. The conventional vehicles selected were models by the same manufacturer that most closely matched the hybrid electric vehicles in terms of size, weight and performance.
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