Guardian: America’s ethanol producers, who have been hit hard by the economic recession, today urged the Obama administration to raise the ethanol content in blended motor fuels to 15%. Wesley Clark, a former Nato commander and Democratic presidential candidate who now lobbies for the ethanol industry, said the move to use more of the corn-based fuel would help America create jobs at home and cut back on the use of imported fuel. “This is about jobs, energy security for America, …