As Elon Musk prepares to leave the U.S. government, Tesla investors are pleading with the EV maker to make sure the CEO refocuses on the company and to disclose how the board would replace him in an emergency or if he loses interest.

Yesterday (May 28), Tesla chair Robyn Denholm received a letter signed by 12 major pension funds that collectively hold significant stakes in the company. As first reported by the Financial Times, the letter calls on Musk to commit to working at least 40 hours per week at Tesla.

Investors in Elon Musk 's car company, Tesla, have called on Musk to work at least 40 hours a week at the company.