Lehigh Cement Company LLC (Lehigh) and Lehigh White Cement Company, LLC (Lehigh White) agreed to invest approximately $12 million in pollution control technology at their 11 Portland cement manufacturing plants in eight states to resolve alleged violations of the Clean Air Act, announced the U.S. Environmental Protection Agency (EPA) and the Department of Justice. Three of the plants are in Region 3 (Union Bridge, MD, York, PA and Evansville, PA). Lehigh has agreed to mitigate the effects of past excess emissions from its facilities by replacing old diesel truck engines at its facilities in Union Bridge, MD, and Mason City, IA, at an estimated cost of approximately $650,000, which is expected to reduce smog-forming NOx by approximately 25 tons per year. Lehigh will also pay a civil penalty of $1.3 million to resolve CAA violations. This settlement will reduce more than 4,555 tons of harmful nitrogen oxides (NOx) and 989 tons of sulfur dioxide (SO2) pollution each year.