He really can't. Breaking the fossil fuel industry would require building a regulatory framework to do so, which would require congressional action. On the other hand, directing federal agencies to stop enforcing existing regulations and making internal decisions to undermine federal oversight of industry (aka breaking the regulatory framework) is much easier.
Any time I see a comment that says "oranges" and then there's a comment below it that says "ah, so you're saying 'pineapples'. What a shit take, fuck pineapples."it turns out to be you, lately. Curious.