The Mazda CX-50 crossover has always been a stylish fun-to-drive way to get the chores done. Now it's more efficient with a first-ever hybrid powertrain. And the gas/electric setup is from Toyota so there's reassurance that it's been done right. Does it keep the band's frisky fun dynamics? Tom Voelk checks out a top-trim Premium Plus edition with standard AWD to find out.