After doing its best to lower expectations among those with Leaf pre-orders, Nissan is now doing all it can to ramp up production of the things. Just 3,000 cars total have been produced since October at the company's factory outside of Tokyo, but by the end of March Nissan pledges to be pumping out that many each and every month. In 2012 a plant in Tennessee will come online and, in 2013, another new plant, this one in Sunderland, England. That means that if the comp