Nissan will debut two concept vehicles at January’s 2012 Detroit auto show, including a study of its all-new Pathfinder SUV. The Japanese automaker will also show an all-electric van concept, no doubt with technology Nissan has already used on its Leaf hatchback, for businesses or families in need of lots of flexible cargo space. BOXY NO MOREMeanwhile, most showgoers will be keen to check out the Pathfinder concept of the next-generation of the popular SUV. The seven-seater, which in the single teaser image appears to have lost is boxy silhouette for something more aerodynamic, will ride on a new platform. It will probably come with of two or all-wheel drive. More Pathfinder concept details (and better images) will flow from its January show reveal.