Nissan LEAF

If It Ain't Broke, Don't Fix It Look at the 2013 Nissan Leaf – even one parked next to a 2012 model – and you'll be hard-pressed to spot the differences. Changes and updates have been made, but you have to know the details to tell. It's sort of like listening to a hipster tell you why Interpol and The National have completely different sounds. Nissan says it didn't reinvent the Leaf because what the company has created is working. Over 25,000 Leafs have been sold in the US – 62,000 around the world – since the car went on sale in late 2010. That may not sound…