Musk reposted a tweet quoting his own view that "rocket cars" will appear in the future. These cars will be equipped with attitude control thrusters and a main rear thruster, capable of flying like a rocket, performing rolls and various stunts. He stated that this car would be "fun to the power of 11 (out of 10)," but "not necessarily safety optimized," adding that he was unsure if it would be legal in all jurisdictions. Musk also mentioned that the car could refill its own air tanks without special propellants and would be a "car that can actually drive on roads."