 at least a little bit now and then as well, and lubricate whatever's meant to be lubricated on the bearings. But, yeah, as far as the engine goes, if you can pull the fuel out once a year and just throw it in another vehicle and add more fuel. We have a large on-demand generator here at the business, and it's a 14-liter Rolls-Royce motor in it. It's just a monster. And that unit itself is a diesel.