The spending bill that Congress passed and President Trump signed Friday would extend and expand a tax credit supporting a long-elusive and expensive technology that captures carbon emissions from power plants and stores it underground.

The tax credit, created in 2008, was extended for 12 years, increasing the potential for broader deployment of carbon capture technology. The language expanding the credit was sponsored by Sens. Heidi Heitkamp, D-N.D., Shelley Moore Capito R-W.Va., Sheldon Whitehouse, D-R.I., and John Barrasso. R-Wyo.