By Melissa Subbotin SACRAMENTO The halls of California s State Capitol are usually pretty busy this time of year, but if you listened closely on March 5, you d have overheard most conversations.
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Last year’s $1 trillion-plus infrastructure law calls for the U.S. Department of Energy (DOE) to invest up to $8 billion over five years to support the development of four or more U.S. hydrogen hubs.
A world desperate for a climate-friendly fuel is pinning its hopes on hydrogen, seeing it as a way to power factories, buildings, ships and planes without pumping carbon into the sky.
However, scientists are warning that hydrogen leaked into the atmosphere can contribute to climate change much like carbon.
Depending on how it is made, distributed and used, it could even make warming worse over the next few decades, even if carbon poses the bigger long-term threat.
Any future hydrogen-based economy must be designed from the start to keep leaks of the gas to a minimum or it risks adding to
Scientists are warning that when the gas is leaked into the atmosphere, it can have 33 times the global warming potential of an equal amount of carbon dioxide.