The top five upcoming green events, number one: Automotive X Prize

We're really high on the Automotive X Prize, and it was an easy choice as the number one upcoming green event. The Auto X Prize will be worth ten million, and is sponsored by Progressive Casualty Insurance. We've covered everything we know about the X Prize on these pages, and we've even got an entire category regarding the event, which ought to make it pretty easy to follow from here on out. Anyone got a favorite already?