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.

Silver linings: Saab and Mitsubishi see sales grow in May

Despite the company’s financial troubles, Saab sales are steadily increasing in 2011, with April and May numbers up 190 percent and 121 percent, respectively, from the same months last year. The Swedish automaker reported 385 units sold this May, versus 155 the year prior. So far this year, Saab has sold 2,765 vehicles, compared with 954 at the same point last year.

Mazda 6 (2012) revealed in teaser images

Mazda has released shadowy teaser images of its new 6 saloon, in anticipation of its world premiere at the Moscow motor show, running from 29 August - 9 September 2012. The car's nose is very similar to the Takeri concept of 2011, continuing the new Mazda family face first seen in production trim on the new Mazda CX-5 crossover. The new 2012 Mazda 6: all the details Like the CX-5, the new Mazda 6 will benefit from Mazda's 'SkyActiv' technology. SkyActiv brings a lightweight modular architecture and a range of cleaner petrol and diesel engines – which Mazda claims are nearly as frugal as hybrids without a bulky EV battery in sight.