Mealey's (March 28, 2023, 12:20 PM EDT) -- WASHINGTON, D.C. — The U.S. Environmental Protection Agency on March 27 announced that it has reached an agreement with a hydraulic fracturing operator under which it will pay a combined $6.2 million in penalties and environmental improvement costs to ensure that it is in compliance with clean air regulations on all of its 239 well pads in New Mexico....