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

Four in 10 'can't read maps'

ALMOST four in 10 drivers don't know how to read a traditional map, according to new research by sat-nav manufacturer Garmin. A study of 2,000 Brits revealed that 39% admit to not knowing what they're doing with old-fashioned navigation, but the true figure could well be higher than that when taking into account those who believe they can read a map but have either never tried or never proved it. A worrying 16% say that they are 'heavily reliant' on sat-nav in their cars in order to get anywhere – even to places they regularly visit.

Citroën to unveil DS4 Racing 'concept'

Citroën is set to debut its all-new DS4 Racing concept at next month's Geneva show as part of its evolution of the DS lineup. The concept, developed by Citroën Racing – the company's seven-time WRC winning motorsports division – is host to a range of new features courtesy of the Citroën Racing engineers. The chassis has been lowered by 35mm from that of the DS3, with the track being widened by 55mm at the front and 75mm at the rear along with the inclusion of 19-inch wheels.

Mercedes-Benz slots 4 compacts for U.S.

Mercedes-Benz will launch four compact vehicles in the United States in the next three years with starting prices of $30,000 or below. The vehicles will include a production version of the A-class coupe concept shown last week at the New York auto show. Three variants of Mercedes' new-generation compact family also are headed for the United States.