All-wheel drive is an increasingly common feature on cars today, from grocery-fetching Subaru wagons to small crossovers. But it was rally racing that really convinced automakers that sending power to all four wheels gives cars a massive edge on ice, snow, dirt and more.
Shopping for a truck to take off-road, I ended up buying a Subaru Outback, then modifying it to meet my need for dirt. 8,500 miles in, how’s it holding up? Pretty damn well, actually.
Last night, Elon Musk took the wraps off the new Tesla Model S. Dual motors and all-wheel drive don't just make it faster, a new sensor array will make it safer too. Let's break out each innovation, figure out what it is and how it works.