Due to the narrow oil conduit design and for purpose of energy and oil saving, an increasing number of car makers with new engines and hybrid system engines are assigning the use of 0W motor oil for newly developed car models. However, due to the expensive manufacturing cost of 0W, many products in the market contain mineral oil as the base oil for cost reduction.  However, FULL BORE holds to the use of full synthetic GTL base oil comes from SHELL GLOBAL, GROUP IV PAO, and GROUP V POLYOL-ESTER come from U.S.A and BELGIUM for all 0W series to improve the flow rate of motor oil, enhance heat dissipation, and successfully curb oil temperature so that your car will retain the most efficient engine output.