Quoted:"To summarize: of the three paths, the electron economy has the most potential and the liabilities are the easiest to mitigate. Biofuels can serve as a bridging factor that help us achieve energy independence, but when DCFCs become practical the majority of biofuel feedstocks should be shifted to carbon production.

Part II will discuss improvements at the other end of the plant-to-wheels energy chain - innovations in battery technology."