San Francisco Sentinel: What happens if, all of a sudden, you need to change the entire energy infrastructure on which California’s transportation system runs? Most Californians probably haven’t noticed, but that’s exactly what a combination of Midwestern farmers, Big Oil companies, railroad operators, and fuel terminal owners have done over the last decade. I. How to Take Some Oil Out of An Energy System — Fast In switching out MTBE, a former component of California gasoline, in favor of …