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Lamborghini's sixth Paris 2010 teaser photo

It's a shot of an exhaust pipe, which exits the concept car just below the support for the rear wing. We've now seen all six images, and they've shown everything from vents in the bonnet to stylish flourishes atop the V10 engine, plus glimpses of the interior and what appears to be a carbonfibre wheel. The concept car is expected to be almost completely carbonfibre, very light and Gallardo-powered.  Why is Lamborghini showing such a car?

Geely Englon TXN (w/ Gallery)

Geely is poised to show 39 new vehicles at the forthcoming Auto China 2010 motor show in Beijing, among them will be this new TXN taxi. While most of the new cars on show won't be built around entirely new sheet metal - some will feature new powertrains, for example - the Englon TXN is indeed all-new. Sitting in Geely's Englon range, a sub-brand initially created for the taxicab, the TXN is intended as a replacement for the aging TX4 built by British automaker LTI (as well as at Geely's Shanghai Maples factory).

Smart eScooter

Smart is the latest car manufacturer to present a sub-car commuter vehicle. The eScooter will be shown at the Paris motor show in concept form, but has been confirmed as part of Smart's future urban mobility strategy. Like the Smart ForTwo, the eScooter uses a steel and aluminum frame with interchangeable plastic body finishers.