WASHINGTON (AP) — President Donald Trump on Friday signed an executive order paving the way for a Nippon Steel investment in ...

particularly as regulations continue to clamp down on pollution from coal-fired power plants. Controls to tamp nitrogen oxide emissions are planned for all of PacifiCorp’s five coal-fired units in ...

Critics say it’s an unwarranted centralization of power that sidelines local officials, and they worry it will increase new ...