As exciting as the coming era of electric cars is, with its promise of swift, silent, emissions-free transportation for all, the truth is that trucks are some of the biggest polluters on the road. According to the US Department of Transportation, nearly 50% of all emissions from the transportation sector are attributable to light-, medium-, and heavy-duty trucks. So where are all the electric trucks? When will you be able to buy an electric truck? What’s going on in the electric truck startup world? For the purposes of this discussion, we will look at four categories of electric trucks — light-duty trucks, delivery trucks, freight trucks, and trash trucks.