Answer:
It causes no pollution.
It is less durable and very expensive.
Step-by-step explanation:
Fuel Cell Vehicles are the vehicles which moves by using hydrogen gas to power an electric motor as compared to conventional vehicles that moves by burning of fossil fuels. There is no bad effect on the environment because Fuel Cell Vehicles cause no pollution like conventional vehicles. Due to less durable and very expensive, Fuel Cell Vehicles can't take the place of conventional vehicles because its higher price which is not affordable for the people.