|ȯd.ə|mōd.iv, |ȯtə|mōtiv, -ēv also -əv adjective
Etymology: aut- + motive
1. : containing within itself the means of propulsion : self-propelling
2. : of, relating to, or concerned with vehicles or machines that propel themselves (as automobiles, trucks, airplanes, motorboats)
automotive principles