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

Honda NSX: 2013 Detroit Auto Show

A new version of the Honda NSX Concept (Acura NSX) has been revealed at the 2013 Detroit Auto Show, this time with an interior. But last year, at the 2012 Detroit Auto Show, Honda turned up with the first concept of the new NSX, complete with a confession that this NSX wasn’t a done deal for production, but a work in progress. That work in progress is now back at the 2013 Detroit Auto Show and comes with a few tweaks to the styling but, more importantly, the first idea of how the interior will look when the new NSX does arrive in a couple of years (probably).

Jaguar XKR-S Convertible (2011) first pictures

Jaguar has announced the smallest surprise of the year - a convertible version of the rabid XKR-S. We all knew it was coming, but it shouldn't take the sheen off the fastest and most powerful Jaguar open-top road car ever. It's essentially the cabrio bodyshell mated to the XKR-S mechanical spec.

'400,000 children in smoky cars'

HUNDREDS OF THOUSANDS of children travel in smoke-filled cars every week, a charity has warned. The British Lung Foundation (BLF) estimates that in England more than 430,000 children aged 11 to 15 are exposed to second hand smoke in cars each week. The charity, which conducted analysis on official NHS data, said that 185,000 children of the same age are exposed to smoke while in the family car on "most days", if not every day.