Environmental Valuation & Cost-Benefit News
E85 and fuel efficiency: An empirical analysis of 2007 EPA test data
02/27/08
12:12:47 pm, by damageva 
, 143 words, 257 views 
Categories: Energy, U.S., Academic Study/Journal Article, Costs and Benefits
E85 and fuel efficiency: An empirical analysis of 2007 EPA test data
Abstract: It is well known that ethanol has less energy per unit volume than gasoline. Differences in engine design and fuel characteristics affect the efficiency with which the chemical energy in gasoline and ethanol is converted into mechanical energy, so that the change in fuel economy may not be a linear function of energy content. This study analyzes the fuel economy tests performed by the US Environmental Protection Agency (EPA) on 2007 model year E85-compliant vehicles and finds that the difference in average fuel economy is not statistically different from the differential in energy content.
Keywords: Biofuels policy; Ethanol; Fuel efficiency
by Matthew C. Roberts; Department of Agricultural, Environmental, and Development Economics, The Ohio State University, 2120 Fyffe Road, Columbus, OH 43210, USA; Tel.: +1 614 688 8686; fax: +1 614 292 0078.
Energy Policy via Elsevier Science Direct www.ScienceDirect.com
Volume 36, Issue 3; March, 2008; Pages 1233-1235
http://dx.doi.org/10.1016/j.enpol.2007.11.006
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