Bttf marty doc remote.jpg

"Only if it turns out that reality is actually nothing more than a holographic illusion created by the interplay of subatomic particles on a vast two-dimensional membrane."

This article covers a subject that has been deemed non-canon by either the author or the Back to the Future licensees, and thus should not be taken as a part of the "real" Back to the Future universe.

A Serpollet steam tricycle

The steam tricycle driver imported a steam tricycle made by Léon Serpollet from France to Hill Valley, California some time prior to June 12, 1893.

After Emmett Brown's first experiment with the Jules Verne Train failed, Clara Clayton noticed the steam tricycle driver. Upon seeing the vehicle, Doc remembered the early experiments with steam-powered automobiles, and decided to use Serpollet's innovations in his own steam engine design.