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 hybri…
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…
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 f…