CES is in the bag. It’s done. Stick a fork in it. But we still have a few things left to mention, things we forgot to put on paper from the floor. So here we go.

First up, word from The Guardian…

General Motors vice president of the research and development centre Lawrence Burns said that one of the most significant factors in fuel efficiency for cars is the weight of safety features. If technology could produce cars that don’t crash, the weight of a 4,000lb car could be cut to as little as 1,500lb - that’s about two-thirds of a ton, in metric. Late braking is a major cause of traffic congestion, so technology can help by giving the driver advance notice of problems.

And how do we ensure cars don’t crash into each other? That’s right, cars that drive themselves. Robot cars. Read on…