Tesla has produced the final Model S and Model X units. Tesla Tesla wrote on X that it produced the final Model S and Model X units. The cars helped springboard Tesla from a quirky startup to the US's dominant EV seller. The move also highlights how much Tesla's future is a bet on automation and robots. Tesla once arranged its core vehicle lineup to spell "S3XY." Now, the company is left with "3Y" — plus the Cybertruck. Tesla said Saturday that it had produced the final Model S and Model X vehicles at its Fremont, California, factory, ending 14 years of Model S production and 11 years of Model X production. The retirements aren't a major surprise. In January, CEO Elon Musk announced during an earnings call that the Model S and Model X would receive an "honorable discharge." Still, it closes a chapter that helped turn the company from a Silicon Valley curiosity into America's defining EV automaker.…