Tuff Jug is used in the industrial, construction, and motorsport industries for the transportation, storage, and proper disposal of the fluids listed: water, antifreeze, engine oil, hydraulic fluid, brake fluid, windshield washer fluid, solvents, cleaners, transmission fluid, diesel exhaust fluid, fertilizer, feed, performance additives and more! Tuff Jug is classified as a utility container, not a certified portable fuel container under ARB, DOT, or EPA. It must not be used for fuel or kerosene.