A familiar face was in Knoxville today to open up a clean energy summit. He promised that Volkswagen would lead the way in partnering with the state for green energy. Jacoby says the company will offer Americans low mileage alternatives.. Including a Chattanooga built sedan with either gas or clean diesel engines. The Governor says green partnerships can help Tennessee overcome the economic slump. The Governor also says that the slump won't affect the state's economic incentives to build the Chattanooga plant.