Causescommons.wikimedia.org This new technology could make affordable green hydrogen Green hydrogen can fuel planes and heat homes without emissions, but it’s too expensive to be widely used. Heliogen and Bloom Energy say they can bring its cost down with solar power-produced steam.
Solutions www.nytimes.com In a high-tech state, blackouts are a low-tech way to prevent fires One approach is a microgrid — creating a small power source that can keep the lights on in a small area when the main grid isn’t working.
Solutions www.nytimes.com Energy idea for Mars yields a clue for powering data centers The use of natural gas in fuel cells, producing electricity through a chemical reaction, will be given a try at a dozen locations.
