LightSail Energy (LightSail) is a Berkeley, California, company that has developed compressed air energy storage technology which may be used for grid-scale storage.

The company’s central innovation is the injection of a mist of water spray into a compressed air system so (more…)

Quick. What uses more electricity? The American automobile industry or the Internet? Has to be cars and trucks, right?

Not even close. The Internet is a massive user of electricity. One reason for the tremendous need for electricity can be traced to the continuous need for (more…)

The ARPA-E Energy Innovation Summit took place last week just outside Washington, D.C., and the show floor was filled with projects that promise to advance the United States as a force in clean energy. Most of the exhibiting companies were very young and in possession of early-stage technologies that are difficult to (more…)