Energy & Green Tech

DC smart grids for production plants

Most production plants today are still powered by alternating current. In the long term, however, research teams from the Fraunhofer Institutes for Manufacturing Engineering and Automation IPA and Integrated Systems and Device ...

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

The continuing quest to find a better battery

Ten years ago, if you needed a battery for something more than a flashlight or an alarm clock, your options were pretty limited. Lithium-ion batteries had found their way into consumer electronics in the 1990s, and researchers ...

Energy & Green Tech

Sudan's electric rickshaws cut costs, help environment

Sudanese entrepreneur Mohamed Samir watches proudly as workers assemble garishly coloured rickshaws, unique in the North African nation because they run on electricity in a bid to tackle soaring costs.

Energy & Green Tech

Renewables rescue stability as the grid loses spin

The high-altitude Atacama Desert of northern Chile is a surprising location for scientific insights: Its dry and dusty likeness to Mars makes it ideal for interplanetary testing, and distant worlds are particularly visible ...

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