Filed under: Etc. , Marketing/Advertising , Chevrolet , GM , Nissan , Alternative Fuel Nissan Leaf EV - Click above for high-res image gallery Not content to let General Motors grab all the shiny happy tree-huggy headlines today with its 230 mpg claim for the Chevy Volt in city operation, the gang manning the NissanEVs Twitter account needled GM’s range-extended EV messiah, tweeting: Nissan Leaf = 367 mpg, no tailpipe, and no gas required. Oh yeah, and it’ll be