Nissan Motor Co., Ltd., today unveiled the Pivo 2, an advanced electric concept car that will debut at the upcoming Tokyo Motor Show. Pivo 2 builds on the popularity of the first Pivo, shown at the 2005 Tokyo Motor Show. Powered by advanced Compact Lithium-ion Batteries and featuring a unique rotating cabin - meaning no reverse gear required - the first Pivo became a cult hit at shows from Beijing to Geneva.

North Carolina State University physicists have recently deduced a way to improve high-energy-density capacitors so that they can store up to seven times as much energy per unit volume than the common capacitor.