Colorado has joined a group of states announcing plans to get more electric trucks, buses and big rigs on the road.
Gov. Jared Polis signed an agreement, along with the District of Columbia and 14 states, to have 100 percent of all new medium and heavy-duty vehicle sales sold within their borders be zero-emission by 2050. The interim goal is to have 30 percent of sales be electric by 2030. Read more