On Friday, the California Air Resources Board (CARB) posted the Renewable Fuels Association's (RFA) and Growth Energy's joint multimedia evaluation of E15 blends Tier 1 report. The Tier 1 report is a comprehensive review of E15, a 15 percent ethanol blended fuel, and the first step in a three-tiered evaluation process of the fuel blend.

On Friday, the California Air Resources Board (CARB) posted the Renewable Fuels Association's (RFA) and Growth Energy's joint multimedia evaluation of E15 blends Tier 1 report. The Tier 1 report is a comprehensive review of E15, a 15 percent ethanol blended fuel, and the first step in a three-tiered evaluation process of the fuel blend.