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One Lap of the Web: Jay Leno does the T-REX, Porsche 912 restoration and cars with swimming pools

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Watch as Jay Leno explores the 2013 Campagna Motors T-REX, a three-wheel, street-legal motorcycle that is insanely fast, especially since one of the powertrain options is a six-cylinder BMW engine and the thing weighs practically nothing.

Porsche Cayenne hits 250,000 sales

“Absolute sacrilege”, they cried, when Porsche announced it was to make an SUV. “Too ugly to drive”, said Clarkson, despite his obvious incredulity at its abilities. Yet despite its inauspicious start in life, the Porsche Cayenne has gone on to be a huge success for Porsche, and the 250,000th Porsche Cayenne has just rolled off the production line at Porsche’s Leipzig plant..

New fuel marker to prevent fraud

A NEW RED DYE fuel marker is being introduced by the British and Irish governments to tackle fraud. The illegal use of cheaper fuel in the UK means criminals avoid paying tax and can sell it on at a lower rate than normal fuel from a petrol station. The new marker will make it harder for criminals to disguise fuel by removing the red dye.