Elon Musk took another jab at President Donald Trump’s senior trade adviser Peter Navarro Tuesday, calling him a “moron” on social media as the Tesla CEO further splits from the White House’s tariffs plan.

Musk told far-right Italian Deputy Prime Minister Matteo Salvini that he hopes to see a “free trade zone” between the U.S. and Europe.

Elon Musk escalated his war of words with Trump trade adviser Peter Navarro on Tuesday, calling him "truly a moron" and "dumber than a sack of bricks" over comments about Musk's businesses. Why it matters: The gloves are off,

I would’ve fired him when he got caught making up his academic sources for his papers with his Ron Vara imaginary friend,” Mulvaney said, referring to a fictional economist Navarro invented out of the letters of his name to use in a book.

Trump’s new trade policies are raising costs for Tesla and fueling market chaos — and Musk isn’t staying quiet. He’s calling for zero tariffs, clashing with Trump’s top advisor.

People close to the Trump administration made various appeals to officials, hoping they could convince the president to implement more reasonable trade policies.

Barstool Sports owner Dave Portnoy, hedge fund manager Bill Ackman and even Elon Musk are adding their voices to a number of congressional Republicans who have weighed in against the tariffs set to take effect on Wednesday.

Elon Musk has been criticizing Trump’s tariff policy — and publicly. Could there be a strategy? By Theodore Schleifer Follow live updates on the Trump administration here. Elon Musk is known for many things.

The Commerce Secretary said the U.S. government would “protect” companies that “invest in America.” Tesla has already spoken out against President Trump’s tariffs, and its CEO Elon Musk is now following suit—despite his relationship with the White House.