venturecapital

How a Google-Backed Startup Aims to Save Energy

Billions of dollars of electricity is wasted annually by inefficient power-conversion systems. But a fledgling company called Transphorm believes its technology can cut electric bills significantly -- and hike mileage for hybrid electric cars and boost output flowing from solar panels.

Where's the Surge in Social Media IPOs?

Given recent valuations for the likes of Zynga, you'd think investors would be frothing at the mouth for any IPOs in this sector. But only a few players look serious about going public soon, and investors aren't putting as much pressure on them to jump as you'd expect.

Ethanol, the Next Generation: Corn Is Out, Cellulose Is In

It has become clear to politicians and scientists that corn-based ethanol isn't the solution for creating a home-grown fuel source. Enter "cellulosic ethanol," made from wood chips, weeds or algae. Could it be the fuel of the future?