The competition is thickening on the plug-in front, with vehicles from Honda Fit EV, Nissan Leaf, CODA Sedan, Toyota RAV4 EV and Prius Plug-In making their appearance on showroom floors.

FORBES: 2013 Chevrolet Volt - Not Quite Electrifying

Cracker Barrel is partnering with ECOtality and the federally sponsored EV Project, which is following Nissan Leaf rollout markets.

FORBES: Charging electric cars at the Cracker Barrel

Even if the Leaf does sell successfully, some question remains whether or not Nissan will actually make money on its new EV.

FORBES: Nissan's Green Leaf Runs On Red Ink