Oil is liquid. It doesn't come in "pieces" like solids do.
If its a push lawn mower. It has no oil release. The mower burns the oil. All you do is replace the oil when it gets low.
heat
oil
when crude oil burns,the first hydrocarbon comes out is natural gas.
A piece of sulfur will burn and turn into ash, causing it to lose mass. A piece of of iron that burns will solidify and get heavier the hotter it gets. It gains mass because the make up of iron breaks down and turns into other compounds as it gets heated.
oil burns, peanuts are 50% oil
at high speed and old oil...
When oil shale burns it produces high quantities of ash, and is usually taken to large ash heaps!
it burns
it burns
It burns
Oil, it has a lower flash point and is less volatile.