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

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.

Bentley Hybrid Concept is a Mulsanne, but it’ll arrive in the new Bentley SUV

The Bentley Hybrid Concept (pictured) will debut in Beijing There’s been lots of talk of a Bentley Hybrid for a number of years now, and in 2011 Wolfgang Dürheimer confirmed that hybrid was in Bentley’s plans and that it would be a plug-in. Fast forward three years and we get the Bentley Hybrid Concept, Bentley’s first crack at a plug-in hybrid powertrain all wrapped up in the Mulsanne. But it won’t be the Mulsanne that sees a production version of the hybrid powertrain but, as expected, the new Bentley SUV.

Porsche Boxster S Black Edition (2011) at 2011 Geneva motor show

Another week, and rather than just another Porsche, it’s another Black Edition Porsche special – this is the Porsche Boxster S Black Edition. There’s more power and more standard kit, but the price is higher too. Just 987 will ever be built, in a nod to Porsche’s internal numerical designation for the Boxster.