Plug Power shares surged for a second straight session on new tax credit rules for clean hydrogen production. Last week, the Treasury Department issued the final rules for the tax credits spelled out in the Inflation Reduction Act of 2022.

The Biden administration finalized long-awaited tax guidance Friday for the production of “clean” hydrogen, but the lasting impact — and even survival — of the credits may come down to Hill Republicans.

The Biden administration finalized rules meant to boost domestic production of hydrogen fuel through a new tax credit, a move that might also keep struggling nuclear power plants on line for longer. The highly anticipated guidelines stipulate what kinds of hydrogen projects can qualify for the tax credit.