The Environmental Protection Agency (EPA) has formally begun the regulatory process required by the Clean Air Act that may ultimately result in standards mandating the industry’s transition from leaded aviation gasoline (avgas) to unleaded aviation gasoline. NBAA is part of a coalition of stakeholders that is seeking an approach that addresses concerns about safety, cost, availability and ease of production. The coalition is committed to finding the best and safest alternative to 100 low lead fuel that supports the mobility and growth of general aviation (GA).