Ford Autonomous Vehicles operations chief John Rich believes in a future where the world’s roads are populated by full self-driving vehicles. In a recent interview, the executive revealed that he also believes that this upcoming world will have autonomous cars that only last four years before they are retired. Rich’s point comes as a response […] //

In a way, Rich’s surprisingly short prediction for the lifespan of full self-driving cars might be due to his expectation that a significant number of Ford’s autonomous vehicles will be powered by an internal combustion engine. Extended mileage is less of an issue among all-electric cars, after all, mainly on account of their significantly fewer moving parts. Tesla’s electric motors, for example, are expected to last one million miles. The electric car maker is working on developing a battery pack that is expected to last a million miles as well.