Chief Designer Franz von Holzhausen and Model S Program Director Jerome Guillen announce that Tesla has begun working on beta versions of the Model S sedan.

Originally posted at The Car Tech blog

Automakers and the White House are said to be close to a deal that will set the average fuel efficiency for cars and light trucks through 2025.

King Kong Production Trailers is making a trailer that runs on solar power and biodiesel, and offers eco-friendly interior options--just the thing if you're a hybrid-vehicle-driving movie star.

GM Ventures invests in solar panel maker and project developer Sunlogics for solar canopies and large solar arrays at GM facilities.

GM Ventures invests in solar panel maker and project developer Sunlogics for solar canopies and large solar arrays at GM facilities.

LED bulbs are energy-efficient and designed to last for many years, but here are a few lesser-known features to consider when weighing a jump to LEDs.

LED bulbs are energy-efficient and designed to last for many years, but here are few lesser-known features to consider when weighing a jump to LEDs.

LED bulbs are energy-efficient and designed to last for many years, but here are few lesser-known features to consider when weighing a jump to LEDs.

Interbrand ranks global brands of companies that have green practices, products, and services.

New Zealand's top climate negotiator says he believes an agreement can be made but not this year. This week delegates from 35 nations attended two days of climate talks in Auckland.