To remove gasoline from a lighter, first disassemble the lighter by unscrewing the top or bottom cap. Locate the fuel cartridge or reservoir and carefully pour the remaining gasoline into a well-ventilated area or a container designed for fuel. Absorb any residual liquid with a paper towel or absorbent material. Allow the lighter to air-dry completely before reassembling. Avoid sparks or open flames during this process.

The primary reason gasoline must be properly removed from lighters is to prevent fire hazards and environmental contamination. Gasoline is highly flammable, and residual fuel can ignite accidentally, especially if the lighter is reused or stored improperly. According to the National Fire Protection Association (NFPA), flammable liquid spills or leaks account for approximately 4,000 structure fires annually in the U.S., with improper disposal of containers being a contributing factor. Additionally, gasoline evaporates rapidly, releasing volatile organic compounds (VOCs) that contribute to air pollution. A study by the Environmental Protection Agency (EPA) found that 10% of total VOC emissions in urban areas come from automotive and household sources, including discarded fuels. Proper disposal ensures user safety, reduces fire risks, and minimizes ecological impact. The process also extends the lighter’s lifespan by preventing internal corrosion from fuel residue. Always follow local regulations for hazardous waste disposal to avoid legal penalties or environmental harm.