ESL / EFL Quiz 697

So, this is most likely one of the first plot holes many of you would ever have noticed. Marty arrives back in 1885 in a DeLorean. Sadly, the time machine springs a leak and loses all its fuel gasoline proving hard to obtain in the 19th Century. Cue he and Doc creating an ingenious and ridiculous plan to power the DeLorean via a steam train, and various rail hijinks en route. But: why didn t they just dig up the fully fuelled DeLorean the Doc had buried in the mineshaft awaiting his 1955 counterpart? Timey wimey, wibbly wobbly stuff, I guess. More BTTF paradoxes can be found here.