Take the old gas to a local household hazardous waste facility
Contact your city or county waste disposal program for approved drop-off options
Ask nearby auto shops, marinas, or recycling centers if they accept old fuel
Store the gas in an approved, sealed fuel container before transport
Keep the container away from heat, sparks, and flames
Do not pour gas into drains, soil, trash, or storm sewers
Do not mix old gas with other chemicals or waste
If the gas is only slightly old and uncontaminated, ask a mechanic whether it can be blended with fresh fuel for proper use
Follow all local, state, and federal disposal rules for fuel waste