Musk made the announcement after Tesla delivered a dismal first-quarter earnings report.

Elon Musk says he’ll be spending less time in Washington slashing government costs and more time running Tesla after his electric vehicle company reported a big drop in profits

Tesla boss Elon Musk has pledged to "significantly" cut back his role in the US government after the electric car firm reported a huge drop in profit and sales for the start of this year. Musk has led the newly created advisory body - the Department for Government Efficiency (Doge) - since last year,