To be clear: there’s a night-and-day difference between Biden and Trump, with the former having actually taking significant action, and being likely to take more if reelected. Trump will look to maximize both extraction and consumption of fossil fuels in a way that Biden simply didn’t and won’t.
That graph is a highly misleading way to evaluate a single national leader because China sharply increased their coal burning at the same time the US and EU started to cut emissions.