Mercruiser 5.0 L, 200, 230 (v8) Aluminum Spark Arrestor Cover 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.

2009 Mercedes-Benz S Class

The Mercedes S Class has long been at the forefront of car technology. You can bet your boots that what we see on any new S Class will be where mainstream makers go in years to come. The S Class was first with things like inertia reel belts and air-bags, and the 2009 Mercedes S Class (perhaps we should call it the 2010 Mercedes S Class in deference to our US friends) – although an update rather than new model – follows this tradition.

Ultra-low-mileage Chevrolet Corvair Monza heads to the auction block

We've never really paused to appreciate the subtle good looks of the Chevrolet Corvair, especially the end-of-the-line 1969 Corvair Monza coupe. But this particular car, which will be sold at the upcoming Mecum Houston auction on April 11, will make you stop and take stock. Even if you're Ralph Nader, you can't help but be impressed by its extreme originality: It has just 15 miles on the odometer.