The U.S. Department of Energy has set a goal to make green hydrogen domestically at $1 per kilogram by 2030. Current costs range from $3 to $8 and none of it is being done at scale. Getting the cost of green hydrogen down is a serious concern for policymakers and industry alike. Most efforts are through electrolysis, which used electricity to split the water that delivers the hydrogen production. Jennifer Chu at MIT describes research there on … [Read more...]