U.S. greenhouse gas emissions set to drop to lowest level in three decades ARTICLE_REPORT_New_Energy_Outlook_2020, ENERGY_CN, NEWS_ARCHIVE, PATA_Coronavirus_2020_RelatedBy CCR@IIXXI8November 20, 2020Greenhouse gases generated by the U.S. economy will slide 9.2 percent this year, tumbling to the lowest level in at least three decades, a new...