Specifications include, but are not limited to: B. ENGINE OIL These oils shall be formulated to meet or exceed severe operating requirements for both on and off highway internal combustion engines fueled with gasoline or alternative fuels. The oils shall meet the most current API service requirements classifications and shall be upgraded to newer API service classifications on the effective dates for the new classifications. All products shall also be backward compatible with previous API service requirement classifications. These engine oils shall also pass passenger car manufacturers’ latest warranty requirements.; These oils shall be suitable for the lubrication of heavy-duty diesel engines under all conditions of service including ambient temperatures of 10 degrees Fahrenheit, and shall meet the most current API service requirement classifications, and shall be upgraded to newer API service classifications on the effective dates for the new classifications. All products shall also be backward compatible with previous API service requirement classifications.; D. OUTBOARD MOTOR OIL This motor oil shall be a two-cycle oil, B.I.A.; TC-W-III approved, to be used in a 2 cycle outboard engine. This oil shall be designed to meet the requirements of all major manufacturers of two cycle outboard engines, including Johnson, Evinrude, Mercury and Chrysler.