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 new company, Transphorm, believes its technology can cut electric bills significantly -- as well as increase mileage for hybrid electric cars and boost the amount of electricity flowing from solar panels.

Where's the Surge in Social Media IPOs?

You'd think investors would be frothing at the mouth for any IPOs in the social media 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: Is this the fuel of the future? A company called Mascoma is gearing up to prove it is.