Energy & Green Tech

Developing a digital twin for the electricity grid

The rapid transition to renewable energy threatens to cause major problems to the very expensive electricity grid in the Netherlands. In his quest for solutions, Professor Peter Palensky is now working on a "digital twin" ...

Energy & Green Tech

Civil servants, solar panels, and patronage: A Ghanaian case study

Electricity is a hot political issue in Ghana. Ghanaians demand access to the electricity grid as a right of citizenship. And, when not connected, they have threatened in the past to boycott national elections with slogans ...

Energy & Green Tech

Smooth and stable electric vehicle charging

Siwar Khemakhem, Mouna Rekik, and Lotfi Krichen of the Control and Energy Management Laboratory at the National Engineering School of Sfax, in Tunisia, are investigating the potential of home energy management based on plug-in ...

Energy & Green Tech

To rid electric grid of carbon, shore up green energy support

Cornell and Northwestern University engineers, along with a federal economist, have created an energy model that helps to remove carbon-generated power from the U.S. electric grid—replacing it with a greener, financially ...

Energy & Green Tech

Using physics to keep the electrical grid safe

Many of the systems that provide services or products we use daily, such as the electrical grid, oil and gas pipelines, vehicles, and manufacturing plants, are examples of cyberphysical systems—systems that integrate computing ...

Energy & Green Tech

Locally sourced power may be the answer for vulnerable energy grid

This week, the Pacific Gas and Electric Company took the unprecedented step of cutting power to nearly 750,000 Northern California customers, including much of the UC Berkeley campus, in an effort to mitigate the risk that ...

Energy & Green Tech

Why don't we have electric aircraft?

Electric cars, trains, trams and boats already exist. That logically leads to the question: why are we not seeing large electric aircraft? And will we see them any time soon?

Energy & Green Tech

E-bike grumbles echo in the Bavarian Alps

Robert Werner and his wife Ursula usually make time to say a friendly hello to hikers as they ride their gently whirring e-bikes up trails in the Bavarian Alps.

Engineering

Delivering new concepts for urban citizens

The city could be thought of as a living organism that requires inputs of energy, nutrients, and water and exudes wastes. Traditionally, engineers designed and managed the systems that bought energy and water into the city ...

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