We've already marveled at the Chevy Volt's ability to let you turn up the AC while it's still plugged in to the A/C, courtesy of its OnStar app. Now we can confirm the European model of Nissan's Leaf is getting the same sort of functionality, and it's said to be standard -- no monthly fees like you'll be stuck with on the Volt. We're still not sure who's providing the wireless connectiv