3rd Infantry Battalion, 31st Infantry Regiment, King’s Guard have considered the test result in section 1 as the testing of fuel additive TK7 provided by the company to use for testing in unit vehicles. Fuel additive TK7 mixed with regular fuel then used in unit missions for certain period of time. The test result is satisfactory. The use of fuel additive TK7 makes engines run smoothly, good acceleration, exhaust smoke reduced, and concrete reductions of fuel usage. Therefore, the above test result should be kindly reported to Royal Thai Army (through Directorate of Operations) for considering benefit and cost effectiveness to acquire for official use.