He did not say he would eliminated it he said he would transition from it.
The entire world is.
China is trying to do so as fast as they can, going heavy on nuclear for instance.
Much of Europe is mandating the end of fossil fuel powered cars in a few decades and going big on renewables.
Even the Gulf oil export states are preparing for post oil economies.
Biden is just talking about reality but America does not like reality anymore.
I will say Biden might have phrased wrong...
Electricity is going to take over as battery tech improves... It is cheaper and the countries that take the lead will hold a major advantage...
Oil in thirty years time will be where the coal mines are today and maybe even shorter...
Fracking and renewables are ending coal... the market is deciding and that is why over a 100 power plants in US have switched from Coal to Gas....