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Mercedes F125 concept (2011) at Frankfurt motor show

Mercedes today unveiled the F125 concept car - a car bearing the three-pointed star's F name to demark it as a tech testbed, and the 125 to mark Merc's 125th anniversary in this four-wheeled business. It's a hydrogen fuel-cell vehicle, and Merc claims a punchy 1000km (620-mile) range. But the scientists here are proud of the cutting edge lithium sulphur batteries, used to store energy created by the fuel-cell.

One Lap of the Web: Le Mans souvenirs, F1 in 360, and a BMW fit for a biker

-- Collin Woodard was "that weird friend who was strangely committed to riding a motorcycle." Being the weird motorcycle-owning friend, however, can only get you so far until you start an influential motorcycle blog or start making sepia-toned hipster videos on expensive Canon 5Ds and wildly unreliable CB550Fs. Woodward needed a car, and boy did his friends have something to say about that! He looked at a Camry.

New Jaguar XE will get the V6 engine from the F-Type

The new Jaguar XE (pictured) will get the F-Type’s V6 We’re expecting the Jaguar XE – Jaguar’s new smaller saloon aimed at the BMW 3-Series – to arrive at the Paris Motor Show in September before going on sale in 2015 after Jaguar revealed the first official details on the XE at the Geneva Motor Show this month. Jaguar were a little vague on detail, although they did confirm the XE would come with aluminium underpinnings – a first for the sector and to be shared with the new Jaguar SUV when that arrives – and offer Jaguar’s new range of 4-cylinder diesel and petrol engines. But what Jaguar also said is that there will be a range-topping XE capable of 186 mph, which seemed a bit of a stretch for a 4-cylinder engine, however good.