With so many new developments in electric motors, many vehicles have started to use electric motor for propulsion. The leading brand in electric vehicle " Tesla " has successfully implemented electric motors on cars. But still large vehicle don't use motors. Both Ships and planes have large surface area to accommodate solar panel to charge the batteries. Also if in military if tanks and other vehicle would implement motors it would be very beneficial in form of cost reduction and stealth. Then what is stopping people to implement electric motors of both of these? Even carbon footprint of these vehicle will be massively decreased which would benefit environment.