U.S. DOE Office of Power Technologies - Clean Power for the 21st Century.

U.S. Department of Energy - The DOE site has a comprehensive A-Z index.

National Renewable Energy Laboratory - The U.S. Department of Energy's premier laboratory for renewable energy and energy efficiency research, development and deployment.

Oak Ridge National Lab Energy Efficiency and Renewable Energy Program - Research and development resulting in technology advances that can touch everyone, every day. They find ways to make buildings, industries, power generation, and transportation more energy-efficient and easier on the environment.

Department of Energy Distributed Energy Resources Program - The site describes the Distributed Power Program and its activities, and provides information and current news about barriers to distributed power, policies and regulations, technical interconnection issues and upcoming events.

U.S. DOE Energy Efficiency and Renewable Energy Network - Comprehensive resource for DOE's energy efficiency and renewable energy information, plus access to more than 600 links and 80,000 documents.

NASA Glenn Research Center Oil Free Turbine Engine Technology - Their goal is to "Incorporate recent enabling technological breakthroughs into progesssively larger, more complex systems to reach a revolutionary, but practical, Oil-free Aero propulsion Engine".

NASA Solar Dynamic Power overview - NASA Glenn Research Center Power and Propulsion Office.

NASA - Ultra Efficient Engine Technology (UEET) - Engines 101, Information about turbine and jet engines.

Energy Market Trends - DOE Energy Information Administration Annual Energy Outlook 2002 with projections to 2020.

California Hydrogen Business Council - News and information about energy issues around the world with a focus on hydrogen.

The Clean Edge - The Clean-Tech Market Authority, provides a variety of market-research, business-development, and investment-related products and services.

Primen - An independent information company that develops and delivers comprehensive and actionable energy marketplace intelligence.