Energy & Green Tech

Researchers use blockchain to increase electric grid resiliency

Although blockchain is best known for securing digital currency payments, researchers at the Department of Energy's Oak Ridge National Laboratory are using it to track a different kind of exchange: It's the first time blockchain ...

Energy & Green Tech

Hawaii quits coal in bid to fight climate change

The last bits of ash and greenhouse gases from Hawaii's only remaining coal-fired power plant slipped into the environment this week when the state's dirtiest source of electricity burned its final pieces of fuel.

Energy & Green Tech

Spain bets on green hydrogen in clean energy push

As Europe seeks to move way from fossil fuels, Spain is racing ahead in developing green hydrogen, aided by a growing wind and solar power complex in efforts to decarbonise its economy.

Energy & Green Tech

Major Japan railway now powered only by renewable energy

Tokyo's Shibuya is famed for its Scramble Crossing, where crowds of people crisscross the intersection in a scene symbolizing urban Japan's congestion and anonymity. It may have added another boasting right.