Des Moines-based Berkshire Hathaway Energy's coal-fired power plants, including one in Iowa, are among the dirtiest in U.S., ...

Berkshire Hathaway, one of the top coal emitters in the US, faces scrutiny for high NOx emissions and health impacts. Critics ...

The purpose of this standard is to establish the minimum design requirements for the functional design specifications of selective catalytic reduction control systems for use in fossil fired power ...