Finnish town uses world's largest sand battery to provide carbon-neutral heating, storing renewable energy in 2,000 tons of ...

Engineers create a sand battery that they say will slash the carbon emissions in Pornainen, Finland, by 70% — it uses renewables to heat the sand to more than 1,000 degrees Fahrenheit.

The future of the energy sector has always been associated with the need to accumulate capacities and use them as needed ...