Where can you dispose of the lawn mower gas-oil mix?

You should not dispose of lawn mower gas-oil mix, but instead, you should use it up in the lawn mower. If the lawn mower is no longer in use, you can take the gas-oil mix to a local recycling center or hazardous waste disposal facility. There are also companies that specialize in the disposal of lawn mower gas-oil mix, and you can find them by doing a search online.