Stirling engines have been around since the early 19th Century, but they’ve never managed to find major commercial uses beyond toys like the Micro-Stirling-powered spinny thing pictured. The engines ...

Martin LaMonica is a senior writer covering green tech and cutting-edge technologies. He joined CNET in 2002 to cover enterprise IT and Web development and was previously executive editor of IT ...

PORTLAND, Ore. — EEs are turning a 19th-century invention into a 21st-century alternative-energy source. The last leg of a two-decades-long effort by the U.S. Energy Deaprtment to unleash ...

Earlier this week, we wrote about setbacks at some Silicon Valley companies with new solar technology. They’re built on real science and work in the labs, but they’re grappling with the real-world ...

Since Robert Stirling invented the Stirling engine in 1816, it has been used in an array of specialized applications. That trend continues today. Its compatibility with clean energy sources is ...