Jet Fuel, also known as G6. Is the ultimate cross of some of the most renowned Diesel strains best enjoyed in a spliff . By combining Aspen OG with High Country Diesel, we are left with a hybrid that stays true to the influence of SFV OG Kush. Smoke this hybrid in a nice spliff or pipe from Serene Farms. Jet Fuel and other marijuana strains are also available on spliff.