natural gas?
Hydrogen warning
One of the government's new policy initiatives is to promote hydrogen as a power source. A hydrogen strategy is due soon.
Lobby groups are pressing for widespread hydrogen use in home heating.
But a report from Cornell and Stanford Universities warns that using hydrogen could increase emissions overall unless it's made by electrolysis from surplus wind power.
That's because the most common current method of getting hydrogen is to split it from natural gas, which produces high carbon emissions.
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