Heterodox
Hydrogen is often hailed as a silver bullet solution to emissions-free fuel since it burns clean, leaving nothing but water vapor, but the reality of using and producing green hydrogen is much more complicated. Hydrogen is already used as a power source in a lot of modern industries, including ammonia production, in refineries and as a feedstock for chemicals. The vast majority of the hydrogen in use, however, is not green hydrogen, but instead is what is known as “gray hydrogen.” While the...
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