Involved in the project to completely cut vehicles with the internal combustion engines are U.S. states California, Connecticut, Maryland, Massachusetts, New York, Oregon, Rhode Island and Vermont that follow California's zero-emission vehicle mandate, along with countries from global Zero Emission Vehicle alliance. These include Germany, United Kingdom, the Netherlands, Norway and Quebec in Canada. According to the members of initiative, this total shift to zero emission vehicles would lead to a 40 percent cut in global vehicle emissions.