The EPA still hasn't finalized a rule on scrubbers for coal-fired plants and does not have a projected date for finalization, according to an update the agency gave to Chron. NRG, the owners of ...

The company said it hasn't employed more SCR scrubbers because it is "an expensive technology for our customers," but that it has reduced emissions through other methods, retired some coal plants ...

So-called "wet" scrubbers can increase the proportion ... electricity in the U.S. They are extremely clean compared to coal-fired plants, which, perhaps surprisingly, release more radioactivity ...

coal-burning utilities have cut pollutants such as sulfur dioxide and nitrogen oxides by installing equipment like the building-size scrubbers and catalytic units crowded behind the Gibson plant.

The TVA board approved $233 million for two scrubbers to remove emissions at the coal-fired Shawnee plant in Kentucky, though the utility plans to close all of its coal plants by 2035. TVA also ...