With the cost of high quality coal locally quite low, I think it is worth considering to sequester some at key locations nearby, as well as try to find a use for it here at home.

I've got stores of other fuels, such as kerosene, gas, propane, wood, etc, but the price per btu for these is all significantly higher than the coal I could buy. From a survival perspective, a good supply of cheap coal seems like a good idea. It should weather well, it is portable, it should be safer than most other forms to use, and there's lots of it here. It may not be as useful as gases or liquids for running motors, but I've seen some residential designs that include a sterling engine pto off the main combustion chamber.

Down on the peninsula, people pick coal up off the shoreline as erosion exposes shallow veins. I guess being exposed to seawater makes it stinky when it burns, but it still works for heat.

Just a thought.