Across the world, natural gas utilities are beginning to experiment with adding green hydrogen to their pipelines, reports GreentechMedia. The addition could help to decarbonize energy systems, but using hydrogen so widely poses a few engineering problems. 

“We’ve got hydrogen in 20 percent blend already going into one very small network in the U.K., and consumers are saying they notice no difference” in terms of performance of gas-fired appliances, Antony Green, National Grid U.K.’s hydrogen project director, said in an October interview. “That’s a good sign.” 

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