42 U.S.C. § 15976
Electron scrubbing demonstration
The Secretary shall use $5,000,000 from amounts appropriated to initiate, through the Chicago Operations Office, a project to demonstrate the viability of high-energy electron scrubbing technology on commercial-scale electrical generation using high-sulfur coal.
( Pub. L. 109–58, title IV, § 416 , Aug. 8, 2005 , 119 Stat. 756 .)