This document discusses the benefits of using premium gasoline over regular gasoline. It notes that premium gasoline has a higher octane rating, which allows the engine to compress fuel more before ignition for better performance. Premium gasoline also contains more and better additives that help prevent carbon buildup in the engine. While premium gasoline costs more per gallon, the document argues that it can improve fuel economy, avoid engine damage, keep engines cleaner and more efficient, and improve reliability in the long run. Using premium gasoline for the life of a vehicle may cost less overall than a typical engine repair.