Peter Navarro, President Donald Trump's top trade adviser, on Monday dismissed tech-billionaire Elon Musk's push for "zero tariffs" between the United States and Europe, calling the Tesla CEO a "car assembler" reliant on parts from other countries.

Top Trump aide Peter Navarro deepened his feud with Elon Musk on Monday, calling him a “car assembler” who is overly reliant on international imports as cracks start to appear in the president’s cabinet.

Elon Musk says he doesn't agree with Peter Navarro's views on tariffs."A PhD in Econ from Harvard is a bad thing, not a good thing," Musk said of Navarro's background.Musk said he wants a "free trade zone" between Europe and the US.

Elon Musk unveiled the updated Tesla Roadster in 2017, but eight years later the $200,000 rocket-boosted EV is yet to hit the road.

The value of Musk’s Tesla stake has plunged by more than $80 billion amid the ongoing backlash against his Trump ties and his DOGE role.

Democrats have used Tesla to undermine the entrepreneur and to highlight oligarchs’ role in the Trump administration