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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?

Mercedes E300 BlueTEC (2011/2012) revealed

The Mercedes E300 BlueTEC - 70mpg and on sale late 2011 Just like every other car maker, Mercedes is trying to push ever more fuel efficient and low emitting cars to the market. The range of BlueEfficiency C Class and E Class are a good example, which should be a huge success. And they no doubt will be if Mercedes can solve the problems of the high-tech injectors giving up the ghost after a month or two.

Lamborghini Huracan: first pictures revealed

There’s no disguising it. Lamborghini’s all-new Huracan is a very angry car. It looks angry, its stance is angry, every line is like a slash from Surgeons Gone Wild and it’s even named after a bull so angry that it couldn’t be killed.