Stewart Vintage Oil Fuel Pressure Gauge on 2040-parts.com

Citroen C4 (2011): first official pictures

This is the new Citroen C4, the French car company's latest rival for the ever-present VW Golf, Vauxhall Astra and forthcoming Mk3 Ford Focus. Citroen hopes to challenge the trio with a mix of class-leading interior space and a gadget-laden cabin, and the new C4 will be unveiled at the Paris motor show this September, before UK sales start in early 2011. Yup, and there’s some Megane Coupe in there too.

Ford asks Web-savvy Americans to test the Fiesta

Ford Motor Co. wants to use social networking sites such as Facebook to generate buzz for its new Fiesta subcompact. But it will rely on company outsiders to get the early word out.

McLaren mysteries: Some things you might not know about the P1 and its maker

The McLaren P1 is one of the most spectacular supercars in the world, and it's been an object of fixation for enthusiasts since it debuted as a concept last fall in Paris. The basics are well known: a 903-hp hybrid powertrain, carbon-fiber for almost everything, and taut, curvaceous styling that introduces McLaren to a fresh generation. The P1 grew out of a somewhat hokey mission statement that McLaren produced back in 2009.