Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Mercedes-Benz reveals all-new C-Class

Mercedes-Benz has uncovered the new C-Class – a model aimed at toppling the all-conquering BMW 3 Series. Benefitting from the full might of Mercedes’ technological arsenal, the new C-Class is the most advanced version yet by a clear margin… and in some respects, is the most sophisticated vehicle the junior executive class has ever seen, too. It also takes on a sleek new look, owing plenty to the highly-praised new S-Class, while the interior offers, says Mercedes, an experience akin to stepping from economy class to business class on an aircraft.

Motorcycle helmet integrates head-up display, GPS and rear-view camera

Silicon-Valley start-up Skully Systems will ship its 'world's smartest' motorcycle helmet from next year. It costs $1,399, and draws together a host of technology features that are already becoming familiar to car drivers and makes them available to motorcyclists for the first time. The helmet's visor features the firm's 'Synapse' see-through head-up display system that shows information like navigation data, bike speed, and a 180-degree angle feed from the rear-view camera mounted on the back of the helmet.

General Motors says its EN-V concept might be tested in large cities

General Motors is working on a second generation of its EN-V electric-car concept and might test the two-seat, pod-shaped vehicle in large cities around the world. The EN-V will wear the Chevrolet badge. It is designed to communicate with other vehicle and city infrastructure to minimize congestion.