States, Ethanol Groups Urge Court To Scrap EPA Vehicle Air Modeling Rule

Kansas, Nebraska and pro-ethanol groups are urging a federal appeals court to scrap EPA's rule requiring states to use the agency's latest computer model for estimating vehicle emissions, saying it leads to inaccurately high estimates of pollution from ethanol fuel that will hinder states' ability to craft Clean Air Act compliance plans. Accurate mobile source air modeling is key to states' preparation of state implementation plans (SIPs), which are blueprints for how they will meet EPA's national ambient air quality...