We'd already heard that Toyota and Tesla were working on some electric vehicle prototypes, and the two companies have now come out and officially confirmed that they are, in fact, working on an electric RAV4 crossover. What's more, Telsa says that it's already produced one prototype vehicle and plans to deliver a fleet of them to Toyota for evaluation "within this year," and that Toyota plans to bring the vehicle to market sometime in 2012. Details are still a bit light beyond that (including any word of a price), but it certainly sounds like this is just the beginning of more vehicles to result from the partnership.  Check out the full post on engadget.com