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

Petrol cars twice as likely to fail MOT on emissions

The latest MOT test data shows that 26.2% of all cars tested fail on excess exhaust emissions – and surprisingly petrol cars fail more than twice as often as diesels in this part of the annual roadworthiness test. According to the official Vehicle Operator and Standard Agency (VOSA) figures, which cover all of 2010 and the first nine months of 2011, 9.7% of petrol cars failed to meet MOT emissions standards compared to just 3.9% of diesels. On Bing: see pictures of the MOT test Find out how much a used car with 12 months MOT costs on Auto Trader The analysis has been carried out by fuel additive “provider” Redex, which naturally has an interest in the findings, since its products are designed to breakdown engine deposits and improve efficiency.

Citroen Cactus stars at the 2013 Frankfurt Motor Show

Citroen's big news at the 2013 Frankfurt Motor Show was the launch of the Cactus concept car. This spikily named show car is more than just a wacky concept - the Citroen Cactus marks the relaunch of the French brand's bread-and-butter cars. Struck by the success of the DS models, it's now hoping to achieve similar success with a rejuvenated range of C-line models.

Saab 9-5 (2010) revealed

Saab has released details of the new 201 Saab 9-5 that will debut at Frankfurt The new 9-5 is a very big deal for Saab. In the midst of a takeover by Koenigsegg, the new 9-5 needs to excite at least a section of the car buying public to give Saab the chance to rebuild. And it looks promising.