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The Chevy Volt runs on electricity, backed up by a gasoline-powered motor.

Arizona’s Clean Cities coalitions brought two dozen cars and trucks Tuesday to the State Capitol to show legislators the kinds of vehicles that have been and can be powered by alternative fuels. Read more»

More than 300,000 liters of water are used in large tubs, seen here, to grow and research algae.

A five–fold expansion of the algae lab at Arizona State University’s Polytechnic campus will help move Arizona to the forefront of algae–based research and production, Gov. Jan Brewer said Tuesday. Read more» 1