Great end to the trilogy...with one small plot problem

Rating: Null/10 (9 July 2002)

I consider Back to the Future to be among the best movies ever created. However there is one question I have concerning the plot of Part III. One of the major points of the plot is that there is no gasoline in the time machine (due to a leak) and therefore they can not get it up to 88mph without the use of a train. This is the case with the time machine that Marty brought back to 1885. Is there any gas in the time machine that Doc brought back to 1885?