2013 Mercedes-Benz SL63 AMG review notes

ASSOCIATE EDITOR JAKE LINGEMAN: The SL-class was my favorite Mercedes for a long, long time -- probably until the SLS AMG debuted. But there's something about this body style that doesn't quite look right anymore. The front still looks great: a little blockier, but cool.

Chill out: coolest truck ever made of ice

Just as humans find it difficult getting out of bed on a cold morning, cars often don’t like starting when temperatures are below freezing. Not only is there more pressure on car batteries in the winter as we rely on them for heating and lighting, but they also struggle to hold their charge. So, in a bid to prove that their batteries are unbeatable in the cold, a Canadian company has built a pick-up truck out of ice.

How Google's autonomous car navigates city streets

Google's self-driving car has been on the road for five years now, at various levels of autonomy. From the ease and relative serenity of California's arrow-straight highways, the car drove hundreds of thousands of miles with a greater level of concentration and mastery than the wandering attention spans of humans could accomplish. In 2012, Google shifted from the freeways to the cities, navigating a far more convoluted set of challenges: the slow-speed chaos that comes with any city, any suburb, any place with people and cars in it.