Arctic Cat Snowmobile Lower Sprocket on 2040-parts.com

Future Audis may time traffic lights for you

Here's a trick efficiency-chasing hypermilers have been using for years: spotting the cycles of stoplights from 100 to 200 yards out and letting the car coast up to the light just before it turns green, then carrying on without ever letting the car come to a complete stop. These hypermilers, along with professional truck drivers, do this because they know that accelerating from a standstill burns the greatest amount of fuel, and because letting a car coast up to the light with the automatic transmission downshifting by itself is easier on the transmission than stomping on the brakes right beneath the stoplight. Oh, and it's easier on the brake pads as well.

What car should William and Kate drive to the wedding?

In case you live on a desert island and have managed to miss today’s Royal engagement news (yet can still mysteriously log on to CAR Online), Prince William and Kate Middleton have this morning announced their engagement. This got us thinking. The happy couple need a suitable set of wheels for the big day in spring or summer 2011, so who better to assist than CAR!

Pininfarina Nido microcar brings safety, spunk to exhibition in Japan

The Pininfarina Nido, the quirky pedestrian-friendly microcar from the 2004 Paris auto show, is being dusted off for another showing. This time, it will appear as part of an exhibit to bring Italian culture and innovation to Japan. The event runs from Sept.