| ACEEE Green Book: Ranks cars and trucks according to environmental friendliness. Using this consumer guide, buyers can compare cars, vans, pickups, and sport utility vehicles by their environmental impacts, including air pollution, global warming, and fuel efficiency. |
| Argonne National Laboratory Transportation Research: Performs research in advanced automotive technologies such as hybrid electric vehicles, emissions reduction, and clean diesel engines. |
| Boron: A Better Energy Carrier than Hydrogen: Proposes that cars should use boron as a fuel for propulsion and asserts that boron is a safer fuel than hydrogen or gasoline. |
| CALSTART: Information about advanced transportation technology development, particularly in California, including electric, natural gas, and hybrid electric vehicles; intelligent transportation technologies; and clean ferries. |
| Clean Fuels Development Coalition: A not-for-profit organization that actively supports the development and production of fuels that can reduce air pollution and lessen dependence on imported oil. |
| Columbia Plateau Clean Cities Coalition: Provides definitions, descriptions and benefits of a variety of alternative fuels. |
| Dual Fuel Caterpillar Engines: Truck engines use natural gas and diesel fuel simultaneously to reduce emissions without power and compression loss. |
| Energy Efficiency for Railways: Project with purpose of evaluating energy efficient technologies, measures and projects for railways. Includes database, event calendar and mission statement. |
| FutureTruck: Engineering and competition program that brought together the resources of industry, government and academia to address important environmental and energy-related issues posed by the growing demand for sport utility vehicles. |
| Green Cars Now: Resource on fuel efficient and hybrid cars. Includes news, ratings, data, and driving tips. |
| IndiRail: A clean transportation system: Conceptual proposal for an infrastructure for transportation aimed at the use of renewable energy sources. |
| Liquid Nitrogen Propelled Automobile (LN2000): Zero-emission automobile propulsion concept developed at the University of Washington, US, that uses liquid nitrogen as the fuel. |
| National Alternative Fuels Training Consortium (NAFTC): Develops curricula and delivers training and educational programs about alternative fuel vehicle technologies and systems. |
| National Clean Cities: Strives to develop a market for alternative transportation fuels, clean and efficient vehicles, and advanced transportation technologies. Includes links, news items, and chapters. |
| Nitrogen Powered Car: CooLN2Car: New University of North Texas car uses cryogenic heat engine fueled/powered by liquid nitrogen: summary, FAQ, power train closeup, engine gas flow diagram. |
| Oak Ridge National Laboratory: Center for Transportation Analysis: Research and development on transportation energy and environmental issues, national transportation planning and policy, and transportation systems engineering. |
| Office of Transportation Technologies: U.S. Department of Energy -- Alternative fueled vehicles, electric vehicles, encouragement of "clean cities". |
| Research: Georgia Tech Research Institute: The Advanced Transportation and Advanced Systems (ATAS) Laboratory works on electric and hyrogen vehicle projects. |
| The Alternative-Fuel Vehicle Directory: Comprehensive. Covers EV conversions, batteries and fuel cells, U.S. Gov research sites, university projects, regional associations and manufacturers. |
| U.S. Department of Energy (DOE) Alternative Fuels Data Center: information on alternative fuels and vehicles. |
| U.S. Department of Energy: Alternative Fuel News: Gives information about less polluting fuels. Page includes a vehicle buyer's guide and information about the different types of fuels. |
| US Council for Automotive Research: Umbrella organization of DaimlerChrysler, Ford and General Motors, formed to conduct cooperative, pre-competitive research. |
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