It’s not the first time a president has empowered a business tycoon to look for ways to dramatically cut federal regulations.

Elon Musk has said ending tax credits of up to $7,500 for electric vehicle purchases would "devastate" Tesla's competitors.

Some Tesla customers who might not have known much about CEO Elon Musk before buying an electric vehicle from the company have now become outspoken haters. Bumper stickers with the message "I bought ...