U.S. Geothermal Power at Present

Part 5 of Geothermal Energy Under Our Feet. Today’s U.S. geothermal industry is a $2-billion per-year enterprise involving over 2800 MW of electricity generation capacity, about 620 MW of thermal energy capacity in direct-use applications such as indoor heating, greenhouses, food drying, and aquaculture, and over 7,300 MW of thermal energy capacity from geothermal heat […]

Using Geothermal Energy Directly

Part 4 of Geothermal Energy: Power from the Depths of the Earth. If you’ve ever soaked in water from a natural hot spring, you’re one of the millions of people around the world who has enjoyed the direct use of geothermal energy. And while this naturally occurring hot water may be the perfect tonic for […]

2010 Clean Energy Vehicle Buyer’s Guide

Introduction Those who depend on foreign oil for transportation fuel have seen prices roller-coaster between $5/gallon and $1.75/gallon and back up again. The economic impact of our dependence on foreign oil could not be clearer. To get off the roller-coaster, smart consumers are looking at the expanding availability of advanced, efficient vehicles, including hybrids and […]

Biomass Cofiring: A Renewable Alternative for Utilities

Part 3 of Biopower Facts. Biomass Cofiring Cofiring is a near term, low-cost option for efficiently and cleanly converting biomass to electricity by adding biomass as a partial substitute fuel in high-efficiency coal boilers. It has been demonstrated, tested, and proved in all boiler types commonly used by electric utilities. There is little or no […]

Biofuels & Greenhouse Gas Emissions: Myths vs Facts

The U.S. Department of Energy (DOE) is committed to advancing technological solutions to promote and increase the use of clean, abundant, affordable, and domestically- and sustainably-produced biofuels to diversify our country’s energy sources, reduce greenhouse gas emissions, and reduce our dependence on oil. U.S. energy consumption is expected to grow 50% percent by 2030. Biofuels […]

The What and Why of Renewable Energy

Part 1 of Buying and Using Renewable Energy at Home. What is Renewable Energy? Certain forms of energy are called “renewable” because these fuel sources are constantly replenished and will not run out. Renewable energy—like the sun and wind—is readily available through-out the United States. Renewable energy technologies take this energy and con-vert it into […]