Engineering

Novel device promises lower operating costs for rail sector

Maintenance work on rail infrastructure costs the rail sector close to EUR 40 000 per kilometre of railway track. In fact, rail companies spend substantial amounts on repairing tracks and keeping them in good operating condition, ...

Energy & Green Tech

Good news for rooftop solar, not for home batteries

The energy produced over the lifetime of typical rooftop solar panels more than makes up for the energy it takes to make, mount and then eventually recycle them. But adding a home battery usually lowers those dividends, according ...

Energy & Green Tech

Why aren't there electric airplanes yet?

As electric cars and trucks appear increasingly on U.S. highways, it raises the question: When will commercially viable electric vehicles take to the skies? There are a number of ambitious efforts to build electric-powered ...

Energy & Green Tech

Does energy storage make the electric grid cleaner?

Carbon-free energy: Is the answer blowing in the wind? Perhaps, but the wind doesn't always blow, nor does the sun always shine. The energy generated by wind and solar power is intermittent, meaning that the generated electricity ...

Energy & Green Tech

Renewable electricity to outstrip coal next year: IEA

The amount of electricity produced from renewable sources worldwide is set to surpass output from coal-fired plants for the first time in 2025, the International Energy Agency said Friday.

Energy & Green Tech

New tech brings resilience to small-town hydropower

Idaho National Laboratory (INL) has celebrated the ribbon-cutting of its new Microgrid in a Box, which was deployed in partnership with the Fall River Electric Cooperative at its hydropower plant in rural Idaho.

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