The Traditional flavor is usually available in one quart and half gallon sizes. Efficiency / fuel economy can be given as miles per gallon gasoline equivalent. One kg of hydrogen is roughly equivalent to one U.S. gallon of gasoline. The quart (abbreviation&colon; qt) is an English unit of volume equal to a quarter gallon. It was advertised for 10 cents per gallon. Fuel efficiency is rated at a combined consumption of 25 miles per gallon. Fuel was stored within a pair of 45 gallon tanks. Water was rationed at one gallon per day per person. Gasoline was sold by the gallon and cloth by the yard. Calcium hydroxide at dosage of 4 gram per gallon of water can be used. Large producers were assessed a tax of six cents a gallon. The corn gallon, one eighth of a bushel, was approximately 268.8 cubic inches. One measure of alternative fuels in the U.S. is the "gasoline-equivalent gallon" (GEG). The IEEE standard symbol for the gallon is gal. The pint is traditionally one eighth of a gallon.