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

Mercedes CLA employs a cat in new advert to demonstrate its aerodynamic shape (video)

It’s the Mercedes CLA sliding cat advert We’re not entirely sure that Mercedes has chosen to focus attention on a cat in a new advert for the CLA to dig at Jaguar’s mickey-take of its chicken advert for Magic Body Control, but it’s definitely the cat that’s front and centre, regardless of the motivation. With the new Mercedes CLA boasting exceptional aerodynamic credentials, Mercedes has employed a stunt cat to slide up and over the CLA to demonstrate just how slippery their new compact saloon is. Already shown on TV in the UK at the weekend (during the new series of Britain’s Got Talent), the moggie in question – William, apparently – glides effortlessly over the CLA’s slippery shape to a soundtrack playing Rossini’s Duetto buffo di due gatti (which you may not think you know, but you do).

What Car? True MPG reveals most fuel-efficient cars

We’ve known for a while that there’s a huge gulf between the official fuel economy figures for new cars and what drivers achieve in the real world. What Car? says that its True MPG tests provide a more realistic figure and over the past two years it has tested almost 400 cars. Now, it has revealed which 10 cars proved most efficient its True MPG tests, so if you’re hoping to spend less at the fuel pumps, these cars could be well worth a look.

Hyundai incentive includes job loss insurance

During a focus group meeting in late November, Joel Ewanick, Hyundai Motor America's vice president of marketing, realized no matter how much cash Hyundai piled on the fenders, it probably wasn't going to get buyers into showrooms. Not when they were worried about losing their jobs. "The question for consumers right now is what is going to happen to their income in 2009," Ewanick told Automotive News.