Gas stoves fill the air in your home with particulate matter (pm), which has been found to increase cancer risk in the long term.
So next time you buy a stove, consider choosing an induction stove.
Btw, gas stoves being better or faster than induction is a myth.
You can wash the oil out of metal hood-filters, in the dishwasher.
(Extra: Heat-pump(reverse-cycle) air-conditioner filters can be washed out with water, takes 5 minutes)