...allows biologists to locate the animals, and the GPS units record the animals' location once every six hours. New battery technology gives the GPS units a four-year life, and the VHF units a six-year life. "Some are downloadable, so Kevin...

...unrealistic to think politics will never intrude. For example, moving toward small cars and further developing battery technology for the Volt may require building new plants in places where they're cost effective - and closing additional factories...

...would switch to the gasoline engine. The forces of disruptive technology would eventually bring improvements in battery technology, ultimately allowing the production of an all-electric car with satisfactory driving range. Our biggest problem...