Why BMW Boosting Its V-8 Twin-Turbo’s Fuel Efficiency Kills Batteries

2014 BMW X5 xDrive50i

Modern cars are asked to excel at many things, some of which are at cross purposes. The buying public demands vehicles that are sporty and luxurious, but regulations require them to be increasingly fuel-efficient. That means today’s cars are more complicated than ever, and their dense networks of components and software can create some strange… …read more