Energy & Green Tech

When the sun switches off the solar panels

The more the sun shines in the southern German town of Aurach, the more likely it is that Jens Husemann's solar panels will be disconnected from the grid—an exasperating paradox at a time when Germany is navigating an energy ...

Automotive

Electric motorcycles flood Havana amid diesel shortages

The young people come and go on their electric motorcycles at this highway outside Cuba's capital where they perform stunts and talk about their two-wheelers, which would be largely silent if it weren't for the music blasting ...

Electronics & Semiconductors

Future smart homes could be powered with electronics built on stones

What if you could power the smart thermostats, speakers and lights in your home with a kitchen countertop? Stones, such as marble and granite, are natural, eco-friendly materials that many people building or renovating houses ...

Engineering

Retrofitting untapped dams

Although more than 92,000 dams populate the country, the vast majority—about 89,000—do not generate electricity through hydropower.

Energy & Green Tech

Waste not, want watts: Turning waste into energy

The race is on to reuse waste as energy in the most effective way possible. Combined heat and power is an old idea for saving fuel with a new imperative to slash emissions. Innovative furnaces based on biofuel systems will ...

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