Filip Kiltorp, 33, a sales representative at Canon Business Center, charges his Volkswagen electric vehicle at the BRF Stenberg condominium association on May 28, 2026, in Hudiksvall, Sweden. The residential pilot project uses Vehicle-to-Grid (V2G) technology, enabling electric vehicles to act as mobile energy storage units capable of supplying electricity back to the local grid when needed. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)