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

Concept Car of the Week: Citroën C-Airdream

In the 1990s and early 2000s one of the most charismatic, brave and forward-thinking car makers, Citroën, had been reduced to the maker of budget, mainstream Euro boxes such as the Saxo and Xsara. The company hinted at its intentions to break free from its mundane existence as the maker of line-of-least-resistance rental cars with its Lignage concept in 1999 that harked back to its past large sedans, especially the CX. But it was at the 2002 Paris motor show that Citroën put a stake in the ground with its fabulously avantgarde Citroën C-Airdream concept.

Honda’s new mini-SUV Juke rival revealed

This is the first sight of the production-ready shape of Honda’s forthcoming small crossover – a machine intended to rival Nissan’s Juke, Vauxhall’s Mokka and the MINI Countryman. If it looks familiar, that’s because it was previewed at January’s Detroit show as the “Urban SUV Concept”.

The great British motorway speed limit debate

Associated Press As the government plans a 60mph limit on a 32-mile section of the M1, Britain's speed limits are under the spotlight as never before. The lower limit was announced this week as part of a project to improve air quality in Derbyshire and Yorkshire. If approved, drivers will not be able to exceed 60mph between junctions 28 and 35a between 7am and 7pm.