Consider the following types of vehicles : 1. Full battery electric vehicles 2. Hydrogen fuel cell vehicles 3. Fuel cell-electric hybrid vehicles How many of the above are considered as alternative powertrain vehicles?
a
Only one
b
Only two
c
All three
d
None
Emerging TechnologiesElectric & Fuel Cell VehiclesBattery electric vehiclesHydrogen fuel cellFuel cell-electric hybridAlternative powertrainElectric vehicles