Sunrgi's claims proprietary solar concentrator technology will generate energy costing just five cents per kilowatt hour

Battery specialist A123 Systems reveals it is to launch special plug-in charging kit that would allow Prius to drive up to 40 miles as pure electric vehicle

New database provides customer with information on EPEAT certified IT kit

There are plenty of measures firms can take to limit the environmental impact of business conferences, even in Vegas – although ultimately holding fewer events may be most sustainable answer

US corporate fleets, government departments and Soccer Moms all in the sights of Norwegian electric car firm

Department for Standard confirms plans to impose strict new fuel efficiency standards on auto industry as experts warn major overhaul of car design is required

Study from Environmental Defense Fund claims Lieberman-Warner bill would cost average US household less than a penny on the dollar

Sungevity is to exploit Microsoft Virtual Earth satellite images as it seeks to take Dell-style automated sales processes into solar panel market, promising a 10 per cent cut in costs for domestic customers

Design breakthrough trebles efficiency of Zinc Oxide solar cells, boffins say new dye sensitised approach could slash costs

$2.6m funding round to enable firm to roll out pilot projects