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Top Gear Series 21: The tease begins, but when does the new series of Top Gear start?

Top Gear Series 21 – the tease begins (video below) The new series of Top Gear – Series 21 – is due to start some time soon, although exactly when is still a little in doubt as the BBC are staying tight-lipped. That said, they have released the first – very short – tease video (below) for the new series with Jeremy Clarkson sitting in what looks like a VW up! moaning about the number of lorries he’s encountering.

Bridgestone reinvents the wheel

THE WHEEL is being reinvented with the development of an airless tyre for cars that could put an end to punctures and be kinder to the environment. Currently being developed by Bridgestone, the Air-Free Concept Tyre has an exterior tread that looks normal but inside there are plastic spokes that support the outer casing. This does away with the need to pump up the tyres, which means a puncture is no longer a problem as the tyre cannot deflate.

One Lap of the Web: The Economist talks cars, Maria Sharapova's Porsche and crazy bikers

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. -- Have you ever seen two motorcycles going wheel-to-wheel at 200 mph in the rain?