Which of the following fuels creates the least pollution?

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Accepted Answer

Hydrogen. When fossil fuels (coal, oil and natural gas) are burned, they release carbon dioxide and other greenhouse gases, which in turn trap heat in our atmosphere, making them the primary contributors to global warming and climate change. Although solar energy is renewable source of energy and produces energy without affecting environment but it produces toxic waste in form of photovoltaic waste which in turn is not good for environment. Hydrogen is high in energy, yet an engine that burns pure hydrogen produces only water as by product and almost zero pollution.

Which of the following fuels creates the least pollution?

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