Engineering

24/7 solar towers could double energy output

If you want to improve the output of solar energy systems, why not also run them at night? That's the question researchers in Qatar and Jordan addressed as they successfully devised a system that promises to more than double ...

Engineering

New hybrid device can both capture and store solar energy

Researchers from the University of Houston have reported a new device that can both efficiently capture solar energy and store it until it is needed, offering promise for applications ranging from power generation to distillation ...

Energy & Green Tech

Wind, solar could replace coal power in Texas

Texas can be a model for the nation on how to effectively replace coal with wind and solar for the state's energy needs while meeting environmental goals, according to new research by Rice University engineers. 

Energy & Green Tech

Device generates light from the cold night sky

An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule.

Energy & Green Tech

China investing heavily in two types of solar power

(Tech Xplore)—China has made it known to the world that it plans to move from coal-fired powered plants to those based on renewable resources as quickly as possible—the smog from coal plants and the huge amount of greenhouse ...

Energy & Green Tech

Fossil fuels blown away by wind in cost terms: study

New onshore wind and solar energy projects are set to deliver electricity more cheaply than fossil fuels plants, with other green technologies also rapidly gaining a cost advantage over dirty fuels, a report published Saturday ...

Engineering

Solar cell keeps working long after sun sets

About 750 million people in the world do not have access to electricity at night. Solar cells provide power during the day, but saving energy for later use requires substantial battery storage.

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