The "price war" of new energy vehicles has escalated again, but the second-hand car market has been caught off guard.Just after the Spring Festival, BYD fired the first shot of the new car price war, and its two hybrid models were launched, and the lowest price plunged to 79,800 yuan. On April 1, the starting price of the entry-level model of the new M7 was lowered by 20,000 yuan to 229,800 yuan.New energy vehicle companies "flip the table", but the first to be overturned is the second-hand car