IIT

Blunt motor and battery talk at EV Japan

The conference speakers were surprisingly blunt in their appraisal of batteries and motors for electric vehicles at last week's EV Japan conference. Batteries control the cost of pure electric vehicles by a big margin and they are the largest part of the cost of hybrids, though a lesser percentage.

Autonomous Underwater Vehicle trials in India

Last month sea trials of an Autonomous Underwater Vehicle using a lithium polymer battery began in south-east India off the Chennai coast.