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Hydrogen powered Black Cab hits London streets

The first LTI TX4 hydrogen-powered London Taxi A hybrid fuel cell electric London cab has been revealed, but unlike recent developments with the traditional Black cab – where Mercedes are busy taking over - this experimental hydrogen-powered Cab is based on the familiar LTI TX4. The joy of using a hydrogen tank to run the batteries is that unlike a plug-in hybrid a refuel will take all of five minutes – no more than filling up with petrol or diesel would, A full tank will give a range of around 250 miles and – just like a plug-in BEV – the hydrogen powered cab is emission free at the point of use. The plan is to raise funding to produce a fleet of hydrogen powered Black Cabs in time for the London Olympics in 212.

McLaren 650S revealed early

The McLaren 650S (pictured) arrives a little earlier than McLaren planned Just a few days age we had the first tease for the new McLaren 650S, a car McLaren said was aimed between the existing 12C and the hypercar McLaren P1. We speculated the 650S would be a tweaked 12C with more power and styling tweaks, and that’s exactly what it is. Driving has managed to publish the first official photos this morning (albeit in fairly low res) and it’s clear the 650S is the 12C with a healthy does of P1 mixed in for extra appeal.

2012 Mercedes-Benz SLS AMG Roadster video hits the Web

Last week we showed you fresh photos of the 2012 Mercedes-Benz SLS AMG Roadster. In this morning's edition of car porn, we give you a video of the two-door convertible that shows interior details and an action shot of the soft top dropping while the car moves along at 31 mph. That's all great but, with 563 hp under the hood, we just want to see this thing go fast.