In this Part:
"character", in relation to a number plate, does not include a diamond shaped mark on a number plate.
"electric-powered vehicle", see rule 154A.
"hydrogen-powered vehicle" means a motor vehicle that:
(a) is powered by a hydrogen fuel system; and
(b) has 1 or more hydrogen fuel containers fitted to the vehicle for the system.
"LPG "means Liquid Petroleum Gas (LPG).