Founder of A123 Systems starts a new company to commercialize the technology.
Companies hope to turn aging trucks, vans, and taxis into more efficient hybrids.
"Tunable" windows would let people adjust light and heat levels, but so far it's been hard to make them affordable.
The 2011 Sonata Hybrid will be the first mass-market car to use the battery technology.
Researchers have demonstrated a new mechanism for converting both sunlight and heat into electricity.
A startup's polymer sticker increases power output by 10 percent, and can be applied to panels that are already installed.
A way to get a high-energy fuel out of an abundant and renewable resource.
Startups say reduced mandates for oil companies make it difficult to finance biorefineries.
The 918 Spyder will be the world's fastest plug-in hybrid.
Promising battery technologies often get bogged down in long experiments--a new test could set them loose.