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CAR tech: how much F1 is in the McLaren P1?

We're forever told racing tech makes for better road cars, but is that true, even in the case of the £866,000 McLaren P1? CAR tech looks at the similarities between Jenson Button's weekend racer and McLaren's hybrid supercar: Gives you wings A Formula One car wins or loses by its aero package – and the P1’s a true aero car with a mighty set-up. It has the highest amount of downforce of any road car on sale – so you couldn’t get closer to F1 with number plates if you tried.

2013 Maserati Quattroporte engines revealed – new V6 & V8 Turbos

The 2013 Maserati Quattroporte will get a new 8-speed ZF auto ‘box, a new V6 turbo engine with 404bhp and a V8 twin turbo with 523bhp. 4WD option on V6. But despite sharing photos of the new Quattroporte, Maserati didn’t see fit to let us know just how big the new Quattroporte will be nor what will be going on under the skin.

Smog could get worse as more people buy diesels

Britain could see an increase in smog as the popularity of diesel cars increases, warns a leading pollution expert from King’s College London. The smog-like conditions that have descended on the UK over the past week have been caused by dust blown across from the Sahara Desert mixing with harmful pollution in urban areas. This pollution comes from industry, as well as both petrol and diesel cars.