When it comes to reasonably-affordable EVs, the Tesla Model 3 sets the segment standard. But the competition, such as the Chevy Bolt, Mini Cooper SE, and the Mustang Mach-E crossover, is catching up. And now, the Model 3 has another competitor, courtesy of Volvo’s electric (and former performance) division: the Polestar 2. 2021 Polestar 2: …