Hydrogen is a clean fuel. The cars powered by hydrogen compare to conventional gasoline or diesel-powered vehicles, Hydrogen Vehicles produce no carbon emissions. The lack of harmful emissions means that hydrogen fuel cell cars are kinder on the environment. Moreover, compared to electric cars, range anxiety has become a factor for electric vehicles, even with new technologies to dramatically improve charging times. However, this is unlikely to be such an issue for hydrogen cars, which can cover 300 miles from one tank. Hydrogen cars can go a much longer distance before they need refueling and the refueling process takes minutes instead of hours. At the same time to achieve the purpose of saving time.