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

Boris planning war on diesel car drivers – London Mayor wants drivers of diesel cars to pay more

Boris wants to charge diesel cars an extra £10 to enter London We’ve long banged on about the nonsense of basing the cost of motoring on the Co2 emissions of cars, and it seems the London Mayor, Boris Johnson, also realises that Co2-based taxation has led to a real pollution problem. As we reported as far back as 2010, petrol cars – certainly before the introduction of Euro 6 emissions recently – are far cleaner than diesel cars when it comes to the sort of stuff that really matters – NoX and particulates. And the problem has been exacerbated by basing car taxation on Co2 emissions as lower Co2 levels have been much easier for car makers to achieve on diesel engines, which is why diesel-engined cars now account for around 50 per cent of all cars sold in the UK.

12 reasons why we love Maserati: 100 years of the Trident

When Alfieri Maserati opened his first shop, three of his brothers joined immediately. Mario wasn’t a fan of engines, but he could draw. He based Maserati's famous Trident logo on the fountain of Neptune in Bologna’s Piazza Maggiore.

P1 reborn: the return of the P1 supercar club

There's been a whopping great global recession, in case you hadn't noticed. P1, which was Britain's original supercar club, was struggling to repay asset finance repayments of £100,000 a month to fund its fleet of droolworthy cars – and nobody would buy supercars when P1 tried to sell. The market for top-end cars had frozen at the exact time that P1 most desperately needed the dosh.Eventually the banks called the loans in, as they had identified the supercar market as wobbly business they didn't want during a banking crisis.