On April 1, the Obama administration’s EPA issued final rules forcing automakers to increase their vehicles’ fuel economy by 40 percent in five years. The next day, the very same EPA favorably reviewed an ethanol fuel mandate that would force autos to get up to 5 percent worse fuel economy. You can’t make this stuff up. Follow us here. By the same date — 2015 — that the new 35.5 mpg EPA mandate is due to go into effect, oil companies are also mandated by Congress to double the amount of corn ethanol use (from 2007 levels) to 15 billion...