These Solar-Thermal Toilets Are Carbon-Sequestering Charcoal Factories

More than a quarter of all people—some 2.5 billion humans—still lack access to basic sanitation services. But thanks to this revolutionary solar-powered toilet, even the most remote throws of civilization will be granted both a safe place to poop and a means of turning their business into brown gold. » 3/16/14 4:00pm 3/16/14 4:00pm

This Huge Solar Thermal Plant Makes Electricity Even in the Dark

The primary complaint against solar power—that it, you know, requires the sun—is perfectly valid. But Arizona's new Solana Generating Station, the largest capacity solar thermal plant on the face of the Earth, has just provided a $1.4 billion counterpoint. Thanks to its massive molten salt reserves, this plant keeps… » 10/16/13 11:30am 10/16/13 11:30am

280-Megawatt Solar Boiler Uses Magnifying-Glass Bug-Killer Technique

The solar power plant Abengoa Solar will build in Gila Bend, Arizona, won't rely on fancy photovoltaic panels. No, it uses pretty much the same trick your evil ass used on bugs and leaves way back when: focusing sunlight to create high heat. In this case, mirrors focus the sun's rays into tanks of heat-transfer oil,… » 2/29/08 10:45am 2/29/08 10:45am