Jet Fuel, also known as "G6," "Jet Fuel OG," "Jet Fuel G6," "Jet Fuel Kush," and "G6 Kush," is a hybrid marijuana strain from 303 Seeds with uplifting effects that may ease anxiety. Its lineage. Jet Fuel's name isn't purely devoted to the sweet, pungent aroma of diesel fumes this strain exudes. It also indicates a high-energy jolt of uplifting effects that will eventually level off and lull you into a dream-like state of relaxation.