https://www.reuters.com/article/us-fiat-chrysler-electric/fiat-chrysler-to-test-vehicle-to-grid-technology-with-700-car-fleet-idUSKBN1W41KK

Fiat Chrysler will set up an experimental fleet of up to 700 electric cars to test vehicle-to-grid (V2G) technology, which allows power grids to use energy stored in car batteries to face demand during peak hours.