One detail omitted: Federal emissions data show that Omaha's air quality ranks in the bottom third of U.S. cities, fouled in part by coal-fired power plants ... known as SCR scrubbers, that ...

In comparison, 62% of U.S. coal power comes from plants equipped with SCR scrubbers, drawing criticism of Berkshire's lagging adoption. The lack of widespread adoption of this technology places ...

Available since the 1990s and more broadly adopted by Berkshire competitors, SCR scrubbers as of 2023 were employed at plants that generate 62% of the coal power in the U.S., EPA data show.