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One Lap of the Web: Porsche flat-fours, hot rod artists and German car shows

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. -- You've heard of watching paint dry, but NHTSA has a new hobby: watching Fords rust.

Mazda Kazamai preview

As we reported in June, Mazda has now confirmed it will unveil a compact crossover vehicle concept at the Moscow International Automobile Salon on 26 August. Called the Kazamai, which means "swirling crosswinds" in Japanese, the new vehicle is the sixth concept to employ Mazda's evolving 'Nagare' design language. The car's lines, inspired by crosswinds in nature, are claimed to evoke visual lightness, while its aerodynamic proportions accentuated by its bold front wheelarches and sleek roof line gives the design an emotional appeal.

Citroen DS3 Cabrio Racing arrives in the UK – just 10 at £29,305

The Citroen DS3 Cabrio Racing arrives in the UK The Citroen DS3 Cabrio Racing arrived at Goodwood last summer as a concept, but after the production run of the DS3 Racing a cabrio version seemed a certainty for production. That production run for the DS3 Cabrio Racing was confirmed by Citroen in December and now it’s going on sale in the UK. With all the extra grunt of the DS3 Racing – 207bhp from its 1.6 litre THP engine, enough for 0-62mph in 6.5 seconds and a top speed of 145mph – and a raft of changes from a regular DS3 including sports exhaust, wider track, revised steering, uprated brakes and switchable ESC, the DS3 Cabrio Racing promises real hot-hatch fun in the sunshine.