[gallery link="none" columns="1" size="full" ids="67815"] source: Audi AG Pilot project has storage capacity of around 4.5 megawatt hours Trial operation started in November 2021 Innovative concept increases operating voltage and cuts costs Audi and RWE are breaking new ground together to drive the energy revolution forward – RWE has brought an energy storage facility on stream in Herdecke, Germany, that uses used lithium-ion batteries from Audi electric cars. With the...