At some point, that car you’re driving will need a little restoration work. After some machining work and a few replacement parts, it will run a little smoother, get better gas mileage and go from a ...

Hydropower is a renewable energy source derived from flowing water. Its history can be traced as far back as ancient Greece, where 2,000 years ago waterpower was used to operate wheels for grinding ...

This turbine was installed in New York City’s East River in 2006 as part of the Roosevelt Island TidalEnergy Project – the first licensed commercial tidal power project in the United States. This ...

We are glad to share Ensia articles free of charge under the terms of Creative Commons’ Attribution-NoDerivs 3.0 Unported license. At the beginning of your post, please attribute the writer and Ensia ...

Hydropower was long the country’s leading source of renewable energy, but it was passed in 2019 by wind and in 2025 by utility-scale solar. It’s still significant, though, with 5.6 percent of U.S.

Today’s hydroelectric reaction-type turbines are usually constructed with draft tubes. These civil structures have no moving parts. Their design is usually the responsibility of the turbine ...

The pressure to ensure safe fish passage and the health of tailrace waters has led federal agencies and turbine manufacturers to collaborate in improving the design of hydroelectric turbines. Early ...

Cost pressure, sustainability goals, influences from the market as well as environmental and renaturalization measures force operators of hydroelectric power stations to generate energy even more ...

Linking floating solar panels with hydropower could produce the equivalent of 40% of the world’s electricity, according to a new study by researchers at the Department of Energy. Linking floating ...

While still a couple years away from going live, China has just unveiled two turbines so massive it's hard to comprehend. With an outer diameter of 20 ft, 5 in (6.2 m), each turbine weighs 80 tons, is ...