| Summary: | In the world that we live in today, non-renewable sources of energy are being depleted at an exponential rate. Thus, alternative sources of fuel have become more important to prevent the occurrence of an energy crisis. Seeing that hydrogen is not a source of energy but rather, a carrier of energy, it is very useful as a compact source of energy to power up batteries and fuel cells. Various methods of producing, storing and transporting hydrogen have been discovered to accommodate the demands for hydrogen, making it as easily accessible as petroleum but not as environmentally harmful. The hydrogen market is a niche market that is slowly gaining popularity. This review paper further delves into the topic of hydrogen fuel, bringing to light various controversies and theories, proving that hydrogen fuels will be the next big wave.
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