The 2021 Nissan Rogue compact crossover SUV will come with a more efficient 1.5-liter turbo-3, Car and Driver reported over the weekend. The smaller 3-cylinder option is at least 3 mpg more efficient than the 2.5-liter inline-4 currently standard in the Rogue, according to official EPA ratings. The turbo-3 gets up to 30 mpg city, 37 highway, 33...