H. J. RES. 150 is a joint resolution that aims to overturn a specific rule issued by the Environmental Protection Agency (EPA). This rule is related to the "National Emission Standards for Hazardous Air Pollutants" concerning coal- and oil-fired electric utility steam...
Simple Explanation
Congress wants to officially say "No, thank you" to a rule made by a government group called the EPA, which is about keeping pollution from coal and oil power plants under control, and they want to make sure it doesn't count anymore. They used a special rule that lets them do this if they think the rule isn't a good idea.