COBB Premier Gas: Cobb Premier Gas is a high-quality, premium fuel that is designed to offer the best of everything. It is designed to work in any application, including gas and diesel, and is specifically designed to meet the needs of a variety of engines. It contains a high level of detergent additives and dispersants to help keep engines clean and running smoothly. It also has lower volatility and higher octane than regular gasoline, which helps improve engine performance. It is formulated to reduce emissions and minimize the number of particulates released into the atmosphere.