It's Musk's last day - what has he achieved at the White House? Doge's chainsaw to federal spendingMusk took a job with the Trump White House with one mission: to cut spending from the government as much as possible. The White House was accused of helping Musk's businesses by showcasing vehicles made by Tesla - his embattled car company - on the White House lawn in March. Musk and Trump have both shrugged off any suggestion that his work with the government is conflicted or ethically problematic. Getty Images Trump with Elon Musk's son X Æ A-12 at the White House in MarchA nudge for US isolationism?