Tesla now has a factory built entirely around the Semi, but a 50,000-truck capacity figure isn't the same as 50,000 trucks on the road. On the evening of Thursday, September 24, 2026, Tesla opened its dedicated Semi factory in Sparks, Nevada, next to Gigafactory Nevada, and called it the launch of high-volume production. Elon Musk wasn't there in person. He appeared in a prerecorded video and called the Semi a "breakthrough product for heavy shipping." Tesla says the 1.8 million square foot plant is designed for 50,000 trucks a year, or about 1,000 a week at full rate, and builds the Standard, Long Range, and European-spec versions on one line. The first truck actually came off the high-volume line on April 29, 2026. Tesla hasn't said how many trucks it's building right now or when it expects to reach full capacity. The production Semi is a big redesign. Tesla swapped the purchased 2170 battery cells in earlier trucks for its own 4680 cells, which it says means less battery mass with n...