Re-Volting is a trademark for rebuilt alternators, for when cars' alternators start to fail. Davey Apex, the Piston Cup racer, beared this sponsor, as well as Davey's reserve driver, Bashman. Between Cars and Cars 3, T.G. Castlenut car replaces them, also in third movie revealed, that Re-Volting sponsored a rookie #300 in the 1950s.
Re-Volting appears as a batteries mark in Pixar's film Toy Story 3.
In 2006 the Re-Volting racers beared #84. In 2017 they were #48. In the 1950s they were #300.