The hot, sweltering Tennessee sun baked us under a big white-top tent this morning as Nissan dedicated the future site of their $1.7 billion dollar, state-of-the art Nissan LEAF battery plant in Smyrna. Encompassing 1.3 million square feet (22 American football fields), when the plant comes online in late 2012 it will be one of the largest battery facilities in North America.