1.it is readily available since hydrogen is a basic earth element and it's very abundant. 2. It doesn't produce harmful emissions. Disadvantages 1.it is expensive. It is expensive because it takes a lot of time to separate the element from others. 2.it is difficult to store. Even moving a tiny bit of hydrogen would be very expensive. 3. It is highly flammable. Since it is a very powerful source of fuel, hydrogen can be very flammable.
