For every ethanol blend everywhere these days, there seems to be a war on. A war in India over 22% blends. A war in Brazil over exactly what baseline blend ratio (somewhere int he 20s) is ideal. A war on in Europe to roll back first-gen ethanol to around 2% blending. A war in New … Continue reading Are high ethanol blends going to be essential, and mandatory, for super high fuel-efficient engines?