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

Who's Where: Mamoru Aoki and Koji Nagano promoted to Nissan executive design directors

Mamoru Aoki and Koji Nagano have been promoted to Nissan executive design directors, reporting to head of design Shiro Nakamura. Mamoru Aoki is now responsible for the design and development of all Nissan brand passenger and electric vehicles as well as design strategy and is based at the carmaker's Design Center in Atsugi, Japan. Koji Nagano – previously design director at Infiniti – now manages the design development of the new Datsun brand and Nissan brand light commercial vehicles.

2013 Citroen C3 Picasso Facelift at Paris 2012

Citroen has given the C3 Picasso a mild makeover for its home show in Paris this month. Goes on sale early 2013. The Paris Motor Show is a big deal for all car makers, but more so for the French motor industry.

Lamborghini Aventador J at 2012 Geneva motor show

There maybe other Italian sports car manufacturers looking to hog the limelight at the 2012 Geneva motor show (and Ferrari and its 730bhp F12 is one of them) but Lamborghini will vie for attention with the Aventador J. A two-seat, open top speedster based on the Aventador LP700-4, it has some intriguing bits of carbonfibre tech and highly individual design. Named 'J' after the FIA’s Appendix J that governs the tech spec of race cars in certain classes, it’s proper bedroom wall material – but little boys and girls are unlikely to ever see it on the road as it’s a one-off and will go to a lucky owner after its appearance at Geneva.