US President-elect Donald Trump has promised to use executive actions to cancel restrictions on fossil fuel production on his first day in office.

It was not immediately clear which rules would fall under scrutiny or how long the process of eliminating them would take. Trump's transition team did not immediately return a request for clarification.

"On energy, I will cancel job-killing restrictions on the production of American energy – including shale energy and clean coal – creating many millions of high-paying jobs," Trump said in a video released Monday evening.

"That’s