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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 try to 'bring the noise' back to F1

MERCEDES trialled a device aimed at amplifying and improving the much-maligned sound made by the 2014 marque Formula One cars on the second day of testing in Barcelona. With new V6 engines forming part of an overhaul in F1 regulations, widespread criticism of the dulcet tones has continued from the opening race of the season in Australia. With F1 chief Bernie Ecclestone amongst those to question the enjoyment of listening to the new engines, the teams decided to look into ways of making it a more pleasurable experience.

Nissan 370Z Black Edition revealed

The Nissan 370Z Black Edition - only 370 are being made The latest Nissan Z – the Nissan 370Z – has been with us a bit over a year now. There have already been a number of limited edition cars for different markets, and the UK got the 370Z Yellow last Summer. And it looks as if the same people in charge of thinking up catchy names at Nissan have been on the case for the latest 370Z limited edition, with the announcement that the latest 370Z will be the Nissan 370Z Black Edition.