Polestar EV sales jump in Q1 on discounts like its 'Tesla conquest' bonus / How Polestar engineers EVs that can handle brutal winters / Samsung's Digital Key technology now works with Volvo and Polestar EVs / Polestar CEO says the brand's tech makes the US a "great market for us" / Polestar's new polar EVs can race through the snow / Polestar seeks new suppliers after US ban on Chinese software in EVs / Polestar Has a Bold Plan--Get Better at Selling Cars / Polestar expects delayed profitability as demand for EVs weakens, competition hurts / Polestar announces Polestar 7 SUV amid flagging sales and regulatory hurdles / US finalizes rule to effectively ban Chinese vehicles, which could include Polestar