Today, July 3, the U.S. Environmental Protection Agency (EPA) announced that General Motors (GM) has agreed to retire approximately 50 million metric tons (megagrams) of greenhouse gas credits to resolve excess CO2 emissions identified through EPA’s light-duty vehicle in-use testing program. This agreement is the result of an EPA investigation that identified excess CO2 emissions from approximately 5.9 million 2012-2018 model year (MY) GM vehicles currently in use. (Source: EPA)