As mentioned earlier this month, the Mercedes-Benz Ener-G-Force concept was built as an entrant for this year’s LA Design Challenge. The radical concept, visualizing what a rugged vehicle will look like more than a decade in the…

The BMW i8, first introduced as the BMW Concept Vision Efficient Dynamics, is a plug-in hybrid under development by BMW. The initial concept car was unveiled at the 2009 Frankfurt Motor Show, and the BMW i8 concept car destined for production was unveiled at…

We’ve been fanning over the upcoming Porsche 918 Spyder, a plug-in hybrid that promises 795 horsepower, all-wheel drive and stellar fuel economy, since forever. We’re also highly curious about Ferrari’s hybrid system on its new…