Gail,
It's easy to get carried away with the thesis that since oil is presently used for every aspect of industrial production, as we start to run out of oil, all industry will stop.
In the case of coal mining, transport, burning in power plants and distribution of electricity oil use is very small and can be easily replaced. Probably the largest use presently is for rail transport of coal.
All rail transport uses less than 1% of oil, and this can be replaced by electric trail, gas turbine trains or direct injection of coal in existing(modified) diesel engines. Before 1930, all coal was moved by coal-burning steam engines, but it seems simpler to use existing diesels with coal-powder/water fuels. This report is a good up to date summary of direct injection of coal in diesel engines.
http://www.ccsd.biz/publications/files/TA/TA%2074%20Efficient%20use%20of...