Elon Musk, head of the electric vehicle group Tesla, has expected the company to have self-propelled "robot axles" on the road by 2020.
The entrepreneur made the promise when he announced an improved microchip for his driverless vehicles.
Mr. Musk told investors that he expected the regulators to approve chase for autonomous vehicles in some areas.
He added, "I'm very confident to predict autonomous robot axes next year."
Mr. Musk said he expected the program to run on a model similar to that of Uber or Airbnb.
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The company introduced computer hardware that offers "full self-propulsion," according to the new microchip.
There are still technical and legal challenges for driverless cars that are not considered mature or roadworthy like cars with drivers or safe enough for public roads.
Mr. Musk said his custom chip was the best available and a significant milestone in self-drive.
The vehicles of Tesla are not yet at the level of autonomy required to earn the day "self-driving".
Level 4 autonomy means that a vehicle can drive in standby mode with a human, with level 5 being the standard that can be said to be truly autonomous to human action.
No Tesla car has been on both levels so far.
Mr Musk had previously promised that self-driving cars will be on the road in 2018.