Two of the first hybrid school buses in the US hit the road this month. The buses use an electric motor at street speeds; their V-8 diesel engines kick in at higher speeds. Researchers will study and evaluate the buses’ performance over three years.
Two of the first hybrid school buses in the US hit the road this month. The buses use an electric motor at street speeds; their V-8 diesel engines kick in at higher speeds. Researchers will study and evaluate the buses’ performance over three years.