Nov. 25, 2020—Elon Musk has made new comments about the upcoming Tesla Semi's driving range. 

When Tesla Semi first launched in 2017, Musk said there would be a 500-mile range option and 300-mile range option, reports Electrek. 

But during an interview this week, Musk said the range has been extended to 621 miles, or 1,000 kilometers.