1. Special battle zones on the side of the highway where angry drivers can safely pull over and violently settle disputes.
2. Specially colored light on tops of cars that indicates you'd like to pull over immediately for battle.
3. Genetically engineered homegrown edible mosses. Everyone wants to eat moss, we just need to invent some tasty edible strains.
4. Automatic nacho feeding machine with head harness and throttle.
5. Supplement that counteracts anti-diuretic hormone suppression in alcohol (so you don't have to pee constantly while drunk)/supplement that counteracts marijuana induced memory-loss