While far from the only Republican defector from President Trump's tariff regimen, Elon Musk is among the most prominent. Here are a few others on Team Trump who have their doubts.

A pair of Donald Trump's top advisers are at odds. Elon Musk called Peter Navarro a "moron" and "dumber than a sack of bricks."

Navarro, widely seen as the architect of Trump's tariff plans, told CNBC Musk had done a good job with his work to streamline government, but his opposition to duties was not surprising, the latest salvo in a growing feud between the Trump advisers.

Elon Musk may have bought himself influence over President Donald Trump’s administration, but public criticism of the president remains out of his budget. Instead — as the world braces for Trump’s tariff regime to go into effect at midnight on Tuesday — Musk is picking fights with a fellow presidential adviser: Senior Counselor for Trade and Manufacturing Peter Navarro.

They ransacked federal agencies and axed jobs together, but President Donald Trump’s expanding tariffs are apparently too much for even right-hand man Elon Musk. So much so that Musk privately appealed to Trump to reverse the market-tanking measures in an “attempted intervention,

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

A majority of American adults are deeply skeptical about President Donald Trump's new tariff policy according to a new YouGov survey, with more than half of those polled saying they regard the policy as "the largest peacetime tax hike in U.

Democratic governors have rejected President Donald Trump's tariffs and tried to thwart their impact on individual states.

The value of the U.S. government's Bitcoin holdings has declined 12% from $17.24 billion to $15.21 billion since Trump's announcement of "reciprocal tariffs."

"The European Union has been very bad to us," the president said after the "zero-for-zero" proposal from the bloc

The EU has said that they have offered zero tariffs on cars and industrial goods. Is that not enough? PRESIDENT DONALD TRUMP: Well, no, it's not enough. The EU has been very tough over the years. I always say it was formed to really do damage to the United States in trade.

President Donald Trump has rejected the European Union’s "zero-for-zero" tariff proposal for industrial goods, calling it "very, very bad." Trump argued that the EU restricts U.S. cars and agriculture,

President Trump signed four executive orders boosting the coal industry by rolling back efforts to curb a source of energy that's a major pollutant.

President Donald Trump signed an executive order on Tuesday that attempts to revive the declining domestic coal industry.

President Donald Trump on April 8 signed a series of executive orders designed to bolster the coal industry by loosening mining restrictions, leasing, and exports.

President Trump signed executive orders to bolster coal production with the White House claiming it as part of an effort to meet the energy-intensive needs of artificial intelligence data centers. NBC News' Chase Cain looks at the environmental impact of the executive orders and the cost of various types of electricity production.

The moves include loosening environmental rules, but it is unclear how much they can help reverse the sharp decline in coal power over the last two decades.

US President Donald Trump has launched a push to revive coal energy in the United States, wrongly citing Germany as a model for returning to the fossil fuel. Trump on Tuesday signed an executive order to boost "America's beautiful clean coal industry,

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We’re bringing back an industry that was abandoned,” Trump said today at the White House, lauding “beautiful clean coal.” Trump’s push is bolstered by fears the country could run out of power to run artificial intelligence data centers,

President Donald Trump has signed four executive orders aimed at boosting coal, a reliable but polluting energy source that’s long been in decline.

While President Donald Trump maintains his sweeping tariffs are needed, business leaders begin to speak out. Markets worldwide continued their selloff Monday as some influential business leaders called for President Donald Trump to back down on the sweeping import tariffs that have upended the global economic order.

And for President Donald Trump, it’s a glimpse at a future where he can be the market hero. If he’s paying attention. Stocks tumbled Monday as investors around the world tried to digest just how devastating Trump’s self-inflicted tariff pain will be to the global economy.

President Donald Trump pressed forward Monday with his global trade war as U.S. markets fluctuated wildly and Wall Street leaders and members of his own party pushed back against tariffs. Trump on Monday threatened to impose additional tariffs on China of 50 percent,