Correction -— ArcelorMittal. is blowing 120 million here. Not the Feds.
Considering that the world has gone bat guano crazy, a clever corporation would play all the angles (i.e., appearing to support "green steel") without actually spending a dime.
If he actually spends money on green steel, it is because he expects to make it back elsewhere (or get reimbursed indirectly by the government).
Since money is fungible....