Energy & Green Tech

New all-liquid iron flow battery for grid energy storage

A commonplace chemical used in water treatment facilities has been repurposed for large-scale energy storage in a new battery design by researchers at the Department of Energy's Pacific Northwest National Laboratory. The ...

Energy & Green Tech

Qatar signs $470 mn solar deal

Gas-rich Qatar signed a $470-million deal on Sunday to build its first solar energy plant, capable of meeting up to one-tenth of peak national power demand.

Energy & Green Tech

Producing 'green' energy from living plant 'bio-solar cells'

Though plants can serve as a source of food, oxygen and décor, they're not often considered to be a good source of electricity. But by collecting electrons naturally transported within plant cells, scientists can generate ...

Energy & Green Tech

With new solar modules, greenhouses run on their own energy

Plants use light waves from only a portion of the spectrum for photosynthesis—the remainder can be recovered and used to generate solar power. That's the idea behind the solar modules developed by EPFL startup Voltiris. ...

Energy & Green Tech

Study: Enough rare earth minerals to fuel green energy shift

The world has enough rare earth minerals and other critical raw materials to switch from fossil fuels to renewable energy to produce electricity and limit global warming, according to a new study that counters concerns about ...

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