SpaceX and Tesla — have submitted letters lobbying the U.S. trade representative on Trump administration tariff policies. The letters come as Musk oversees an effort to slash federal government spending and employee headcount at the behest of President Donald Trump.

Tesla, the electric car company owned by Elon Musk, has warned that U.S. exports—including its own—could be severely impacted if new tariffs are implemented. Musk, who was recently appointed head of the DOGE to oversee federal workforce reductions,