Specifically formulated to help save gas. Delivers superior engine protection, engine cleanliness and increased fuel economy for your car, van, SUV or truck. The full line of Peak motor oils are designed to give you premium performance that helps you to save up to 10 gallons of gas with every oil change. Helps to save on gas. Protects against the formation of sludge and varnish deposits on engine parts; meets the highest U.S. standards for automotive engine wear protection. 1 Qt.