The air that we breathe in the cities today is highly polluted, causing grave risk to the health of the human beings staying in those cities. There are various causes of air pollution in the cities, the chief cause being vehicular smoke. In cities vehicles such as cars and buses are used which are fueled by petrol, diesel or CNG, which give out a large amount of smoke. This smoke contains many components which are harmful to the health of human beings. Recently electric vehicles have also entered the vehicular market. This paper discusses the feasibility of hydrogen vehicles.