The Environmental Protection Agency just approved boater-friendly bio-isobutanol as a safe fuel additive, winning praise from the National Marine Manufacturers Association. Thom Dammrich, president of the NMMA, said bio-isobutanol “will provide consumers a safe, efficient and environmentally-friendly E15 alternative that is highly compatible with marine products. This decision will promote an innovative fuel supply with direct benefits to American boaters and consumers.” Unlike E15, or ethanol-laced gasoline which can damage engines in boats and cars, biobutanol delivers renewable energy without any side effects. It works with existing boat and car engines and the fuel supply infrastructure. The EPA acted on…