Question

Hydrogen has been used as a rocket fuel. Would you
fuel in rockets. Hydrogen per
consider it a cleaner fuel than CNG ? Why or why not?​

Answer 1

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Hydrogen is a cleaner fuel than CNG. This is because the burning of hydrogen produces onlywater, which is totally harmless. On the other hand, burning of CNG produces carbon dioxide gase and water. This carbon dioxide can produce greenhouse effect in the atmosphere and lead to the excessive heating of the environment in the long run.

Some of the environmental consequences of the increasing demand for energy are the following :-

1. The combustion of fossil fuels is producing acid rain and damaging plants (crops), soil and aquatic life.
2. The burning of fossil fuels is increasing the amount of greenhouse gas carbon dioxide in the atmosphere
3. The cutting down of trees from the forest (deforestation) for obtaining fire-wood is causing erosion and destroying wild life.
4. The construction of hydro-power plants is disturbing ecological balance.
5. Nuclear power plants are increasing radioactivity in the environment.

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