Energy & Green Tech

Efficiency of silicon solar cells climbs past 26 percent

(Tech Xplore)—A team of researchers working at Kaneka Corporation has broken the record for silicon-based solar cell efficiency by producing a cell that was tested to be 26.3-percent efficient—an increase of 0.7 percent ...

Energy & Green Tech

China's bitcoin mining rush risks derailing climate goals

China's electricity-hungry bitcoin mines that power nearly 80 percent of the global trade in cryptocurrencies risk undercutting the country's climate goals, a study in the journal Nature Communications said on Tuesday.

Energy & Green Tech

UK reaches jolly good milestone in days without coal

The UK has gone more than five days without burning coal, the longest streak without burning the fuel since the Industrial Revolution, said Bloomberg. It breaks the previous record from earlier this year, a total of 90 hours.

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.

Energy & Green Tech

How rising gas prices emphasize the need for renewable energy

The war in Ukraine has caused oil prices to surge to the highest level since 2008, with gas prices in some areas of California creeping up to $6 per gallon. Rising prices have led renewable energy advocates like Tesla CEO ...

Business

Solar energy cheaper even than existing coal-fired power stations

Solar energy is one of the most cost-effective ways to generate electricity, cheaper even than existing coal-fired power stations, says environmental and technology expert Professor Ravi Silva, director of the Advanced Technology ...

Energy & Green Tech

Bill Gates venture picks Wyoming city for sodium nuke plant

A small city in the top U.S. coal-mining state of Wyoming will be home to a Bill Gates-backed experimental nuclear power project near a coal-fired power plant that will soon close, officials announced Tuesday.

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