Alpine teased a lightly camouflaged A390 electric crossover prototype before its May 27 unveiling.The A390 is built on the same platform as the Nissan Ariya, but it has one more electric motor for extra power and control.Alpine plans to launch a four-seat sports car called the A310 based on the same Renault-Nissan platform.Alpine aims to reach the U.S. market during its world expansion phase in 2027.