I occasionally use gasoline to clean bearings. I am left with very
dirty gasoline. Years ago I would leave the small can outdoors, and
the gasoline would evaportae, the dirty can would get put in the
Now the gasoline doesnt evaportate, it just sits in the can as a dirty
I guess its the reformulated gas?
Going to add...
I expect the biggest problem is how much and what kind of grease you're
contaminating the gasoline with. New lithium and other high performance
greases are much different than those of years ago.
Since this is working farm, I do this quite regularly (like as almost
daily during field season as there's _always_ something that needs work
it seems). I will let the can/pan set w/ a cover until evening cleanup
time and then decant the clean off the top back into a closed container
for reuse as long as possible. The remaining sludge goes into the
reclaim oil barrel and the wash can/pan is then left upside down to
drain. By next use time, all there is left is a dust that is easily
If you're leaving a significant amount to just evaporate, that's not
surprising it takes quite a long time and that's really not a good idea;
at least minimize the volatiles released by using a closed container and
if you don't have suitable storage area (where you store fresh gas ought
to be no worse than that is, anyway) until you can take it to the local
hazardous waste location nearest you. As much as I use, I dispose of
very little actual liquid other than by recycle or thru the waste oil
heaters (where the above little bit of sludge ends up; a couple of pints
in a 55 gal drum isn't an explosion hazard).
OK if it's *your* driveway, I guess.
Reminds me of how years ago when I was a kid and rebuilding my first VW
engine, how I picked up some parts from an aftermarket shop, and somehow
managed to spill some gas on their blacktop parking lot.
I didn't think much of it, but I got a pissed-off phone call from them
later, and had to go back there and clean up their asphalt. So you might
want to be careful with that stuff; it dissolves tar really well.
The current state of literacy in our advanced civilization:
Gasoline is a varying mixture. They've always adjusted the mixture in
summer so you won't get vapor lock and in winter so your car will start.
Nowadays, reformulation means legal restrictions on volatility to
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