The FAA Private Pilot ACS establishes the aeronautical knowledge, risk-management, and flight-proficiency standards used for certification
[2] The story begins with the protagonist possessing 20 cigarettes and hanging out at a bar in Demonbreun, an area of Nashville, Tennessee, on a summer evening

Self-balancing or self-riding bags Camping equipment that contains any kind of fuel Self-defense sprays (mace, pepper sprays, tear gas) Torch lighters Explosives (fireworks, gunpowder, flares, flare guns, or novelty items) Ready-to-eat meals that include flameless heaters Shock absorbers Tasers Knives, guns, or other weaponry Sporting equipment which could be used as a weapon Avalanche packs containing 1.4s or CO2 Recalled, damaged, or defective batteries Certain everyday household items also fall under United Airlines prohibited items list, and cannot be packed in carry-on or checked bags: Aerosolized spray paint, household cleaners and pesticides Bleach Drain cleaners Epoxy Fuel Gel fuel Glue Insecticides Matches (the strike-anywhere kind) Paint Torch lighters Spray starch Recreational self-propelled vehicles and devices designed to carry people and goods have the potential to injure passengers and crew, and as such are not allowed as carry-on
doi: 10.1111/j.1525-1497.2004.40081.x
Some 12v car lighter socket models even have dual sockets or USB combo ports built-in