Fuel-Cell Vehicles (FCVs) have electric motors, but their fuel is hydrogen. A fuel cell stack in the car converts hydrogen into electricity which drives the motor.
Visit fueleconomy.com, and read about Fuel Cell Vehicles [3]. Also, read (in full) the page "Benefits and Challenges." (Be sure to click through on more...)
Return to the Fuel Economy Guide Model Year 2017 [4] and read on page 36, "Fuel Cell Vehicles."
Read the "Hydrogen Production [5]" fact sheet from the Department of Energy
Watch the short video Energy 101: Fuel Cell Technology [6], also from the Department of Energy.
Links
[1] https://www.e-education.psu.edu/egee401/sites/www.e-education.psu.edu.egee401/files/image/lesson09/fuel_cell_vehicle_LD.html
[2] http://www.afdc.energy.gov/afdc/vehicles/fuel_cell_what_is.html
[3] http://www.fueleconomy.gov/feg/fuelcell.shtml
[4] http://www.fueleconomy.gov/feg/FEG2000.htm
[5] https://www.energy.gov/eere/fuelcells/downloads/hydrogen-production-fact-sheet
[6] http://energy.gov/eere/energybasics/articles/fuel-cell-basics