2005-2009 Saleen Boost Gauge 0-10 Psi on 2040-parts.com

Caterham Seven 165 prototype stars at the 2013 Frankfurt Motor Show

2013 marks 40 years of Caterham Cars since what was originally a Lotus dealership took over production of the Series 4 Lotus Seven in 1973. Now, at Frankfurt 2013, the British manufacturer is debuting its newest model – the Seven 165 prototype – set to become the entry-level version and the lightest, most efficient Caterham ever when it goes on sale in the UK in 2014. We like the fact that you will be able to buy a Caterham for less than £17,000 and still be able to embarrass much more expensive machinery when the going gets twisty.

AC Schnitzer upgrades the Mini Cooper coupe

The Mini Cooper coupe is still fresh--it hasn't been out for more than a year. Now, German tuner AC Schnitzer has taken it into the shop for some upgrades. The company is working on performance upgrades for both the diesel- and gasoline-powered cars, starting with a front limited-slip differential.

Infiniti Etherea: Infiniti’s compact concept revealed in Geneva

Infiniti Etherea Concept Despite our gripes that Infiniti seem half-hearted about their entry in to Europe – certainly in terms of their reluctance to get the product under people’s noses –  we can’t argue they’re not developing their range to suit the European market. Good case in point is the introduction of diesel lumps across the range, although we find the new Infiniti M35h Hybrid potentially more appealing than the M30d (we’ve surprised ourselves there). And now we get a proper European-sized concept revealed in Geneva – the Infiniti Etherea Concept – which is a compact, pillarless, suicide door endowed 3-Series competitor with a 2.5 litre S/C lump connected to an electric motor and driven through a CVT ‘box.