This website includes maps that summarize state activity across a range of clean energy policy areas. Each map provides further details about state activities in that policy area. The resource is part of the U.S.
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This website provides access to a collection of webcasts and podcasts presented by the U.S. Environmental Protection Agency's Local Climate and Energy Program.
This modelling system estimates emissions from mobile sources, including cars, trucks, and motorcycles. The tool covers a broad range of pollutants and allows multiple scale analysis.
The calculator allows individuals to consider the purchase cost (including financing) and the fuel cost of electric vehicles compared to conventional vehicles over a lifetime of 15 years.
This report details the major trends in the United States light-duty vehicle and medium/heavy truck markets as well as the underlying trends that caused them. The report pays special attention to the progress of high-efficiency and alternative-fuel technologies.
The authors of this report review advances in energy efficiency legislation and how it has played out in the market through the year 2011. The report follows 25 energy efficiency policy recommendations made in prior years by the International Energy Agency.
This paper provided a basis for discussion during a U.S. Department of Energy Clean Cities strategy workshop. It explores the current market status of ethanol (E85 - 85% ethanol, 15% gasoline) and flexible-fuel vehicles in the United States.
This report details the dangers of oil dependence, explains the benefits of electrification, describes the challenges facing electric cars—including battery technology and cost, infrastructure financing, regulatory requirements, electric power sector interface and consumer acceptance issues—and
This white paper covers all important aspects of methanol as a transportation fuel.
This database provides information on U.S. federal and state laws and incentives related to alternative fuels and vehicles, air quality, fuel efficiency and other transportation-related topics.