Notes and Sources

[47] R.M. Heavenrich, Light-Duty Automotive Technology and Fuel Economy Trends: 1975 Through 2005, EPA420-R-05-001, Appendix E, “Data Stratified by Vehicle Type” (Washington, DC: U.S. Environmental Protection Agency, July 2005), web site www.epa.gov/ otaq/cert/mpg/ fetrends/420r05001e.pdf.

[48] These costs represent the range of difference in cost between hybrid and conventional vehicles. The hybrid vehicles represented here have electric drive train components that are used to move the vehicle.