As pressure builds on European automakers to sell more EVs, China’s state-supported manufacturers are entering the cooling market with models that are often better and cheaper. BYD’s Dolphin, for example, is listed at about €7,000 less than a similarly equipped VW ID 3, which the German automaker originally pitched as the Beetle of the EV era. The Chinese manufacturer will underscore its European ambitions by showing off several electric models at the Geneva auto show next week, including a luxury SUV rivaling the Mercedes-Benz G-Class. Failure for Europe’s automakers to come up with a working Plan B risks rising in…