This has been discussed ad nauseam in some other venues but what does indeed work pretty well is Ultra Pure Lamp Oil. The price is definitely right, nice to have around if the power goes out a well. Not to be confused with the excellent valve oil called Ultra Pure Valve Oil. This stuff works OK as it is, but if you wanted to play the mad scientist I'm sure you could find some additives to make it work even better (bourbon might be a start):
Ultra-Pure Clear Lamp Oil. 22 oz bottle - Camping World