Narrow your search
Scientists have used X-ray to peer into the sweet brown heart of chocolate to discover what causes it to turn white.
Companies are tinkering with the trusty old internal combustion engine design to boost fuel economy. Scuderi Group says its split-cycle design and air hybrid improves MPG by more than 50 percent.
News.com reporters list the five companies leading the charge in greening up the automotive industry.
Achates Power is working on an opposed-piston engine, an idea that has withered for decades. And they have money from Sequoia.