Troy Downing Wrote a Bill to Permanently Repeal the Rule That Would Clean Up America's Dirtiest Coal Plant. It's in His District.
Colstrip Unit 4 has the highest toxic particulate emission rate of any coal-fired unit in the country, and Colstrip is the only plant of its kind without modern filters. Downing says the required technology isn't commercially viable. It's been on the market for 50 years.