Energy & Green Tech

New approach may help extract more heat from geothermal reservoirs

Geothermal heat offers a promising source of renewable energy with almost zero emissions, but it remains a relatively expensive option to generate electricity. A new technique proposed by Penn State scientists may help prevent ...

Engineering

Nano-engineered sealer leads to more durable concrete

A nanomaterials-engineered penetrating sealer developed by Washington State University researchers is able to better protect concrete from moisture and salt—the two most damaging factors in crumbling concrete infrastructure ...

Energy & Green Tech

Growth of wind energy points to future challenges, promise

Advances in adapting the technology for cold climates and offshore use and better methods for predicting wind conditions have fanned significant growth of the use of wind turbines for electricity in the last 40 years. A new ...

Engineering

Seven ways to recycle heat and reduce carbon emissions

Heating of space and water in buildings accounts for about 44% of all energy consumed globally according to the International Energy Agency. This heat is still overwhelmingly generated by burning fossil fuels, making it an ...

Energy & Green Tech

'Bio-batteries' enable us to store solar and wind energy

Up until now it has been a challenge to store the energy we generate when the sun is shining and the wind is blowing. But researchers at a laboratory in Trondheim in Norway have succeeded in doing just this—and entirely ...

Energy & Green Tech

Hot water wells in Hungary fuel switch from Russian gas

At plants painted with birds and hedgehogs, hot water from deep underground is being channeled to produce energy and heat for thousands of households in Hungary's third largest city Szeged.

page 1 from 2