An Australian woman used her EV to power her son's dialysis machine after a storm caused a blackout.Kristy Holmes told The Guardian that the Atto 3, made by Tesla rival BYD, helped "save her son."Many EVs have "bidirectional charging" features that let them charge household appliances and other EVs. Thanks for signing up! Access your favorite topics in a personalized feed while you're on the go. An Australian woman used her BYD electric car to run her son's dialysis machine after a huge storm le...