"Using hydrogen to power road transportation and heat homes doesn't save more carbon emissions than direct electrification."
"Hydrogen is often touted as a 'green' fuel - but a new analysis indicates that the benefits vary considerably from sector to sector."
Hydrogen is promoted as a low-carbon fuel, but its carbon-reduction benefits differ significantly by application. For road transportation and residential heating, switching to hydrogen delivers smaller emissions reductions than switching to direct electrification. Efficiency losses in hydrogen production, distribution, and final use reduce its net climate advantage compared with using electricity directly. Sector-specific factors such as infrastructure requirements, end-use efficiency, and energy-conversion losses determine whether hydrogen or electrification achieves greater carbon savings. Hydrogen may still play a role where direct electrification is impractical, but it is less effective than electrification for vehicles and home heating.
Read at Nature
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