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One Lap of the Web: Toyota in the Motor City, GPS-enabled headlamps and a mobile Fiat shop

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. -- From Bring a Trailer, it's a 1966 Fiat Furgone panel van equipped as a mobile workshop.

Nissan’s black cab: what will London’s new taxi be like to ride in?

Nissan Around 300,000 people use black cabs in London every day, and by the end of 2014, they’ll be faced with a new alternative in the form of Nissan’s NV200 London Taxi, unveiled today. See Nissan's new London taxi The Japanese manufacturer has done its best to make the NV200 echo the carbon-dateable TX4 (which owes much of its styling to the 1958 Austin FX4), but let’s be honest – the new Nissan looks like a van. No coincidence there – it is based on the NV200 commercial vehicle.

Porsche Panamera designer focused on rear-seat passengers

There's no mistaking it for anything but a Porsche, but with four doors and four full seats, the Panamera is like no previous Porsche. Styled by a team of in-house designers under the direction of Michael Mauer, the Panamera is 195.7 inches long, 76.0 inches wide and 55.8 inches tall--making it slightly shorter but wider and lower than the Maserati Quattroporte, with which it shares a coupelike profile. As with all such silhouettes, "the real challenge is giving the rear-seat passengers enough headroom," says Mauer.