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Intelligent Energy

Intelligent Energy brings you the latest news on alternative fuels and renewable power, highlighting the major players, legislation, technology and design involved in making our infrastructure more ef

energy

U.S. solar installations double

The U.S. now has 5.7 gigawatts of installed solar capacity, enough to power more than 940,000 households. Find out which markets boomed, and which ones fell flat.

cities

The next wave of smart grid investment

Municipal utilities might be minor players in the U.S. power generation industry, but they're expected to be one of the largest drivers of smart grid investments over the next five years, a survey fin...

cities

Want beautiful trash? Come to Glass Beach, Calif.

The air is fresh and clean, and the "pebbles" have a certain sheen. Check out this photo essay to see what we mean. Learn what happens a century after you use your beach as the city dump.