This VP Racing VP Racing Fuel VP 40:1 Small Engine Fuel uses the highest quality, cleanest burning synthetic oil on the market. It's virtually smoke-free and substantially reduces carbon deposits in engines. The lubricant package of VP small engine fuels meets or exceeds JASO FD, ISO-EGD, and API TC standards, as well as all manufacturers' specs, including Craftsman, Troy-Bilt, Poulan, McCulloch, and more!