[mountainlion]

Jay Leno sure will be getting a lot of use out of his Stanley Steamers, Whites and Dobles.

They run on kerosene don't they so they would run out of fuel also.

[Olog-hai]

They can run on other fuels, especially the Stanley fire-tube ones. They’re currently set up to burn gasoline, though (a consideration of higher availability), but they can run on diesel (No. 2) fuel oil and more viscous grades.