I announced the success on r.g.r.d. but forgot about this place, so here goes:
In Fuel you play a space miner and your singleship has burnt out the monopoles that power its engine (also the resource you mine for). You land on a large asteroid to look for more monopoles, finding a likely looking crater you start your decent. You need to find 5 monopoles to refuel your ship.
The roguebasin page includes screenshot and executables for windows, mac and linux (32 bit).
Spent a ton of work on this one, hope you enjoy it as much as I enjoyed working on it