Tesla Motors CEO Elon Musk speaks to the media next to its Model S.
Nora Tam | South China Morning Post | Getty Images
Tesla CEO Elon Musk said high production and break-even cash flow will be the true test for rival carmaker Rivian, which had a blockbuster IPO this week and now has a market value of more than $100 billion.
“There have been hundreds of automotive startups, both electric and combustion, but Tesla is [the] only American carmaker to reach high volume production & positive cash flow in past 100 years,” Musk said in a tweet Thursday.
He added, “I hope they’re [Rivian] able to achieve high production and breakeven cash flow. That is the true test.”
Rivian, which did not…