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GT3 Challenge Brazil spells out Porsche in Porsches on track

Earlier this month, the Porsche GT3 Cup Challenge Brazil took a break from punishing the pavement to spell the word “Porsche” in Porsches on Estoril's straight. The project took 23 hours of shooting and countless more in planning. Nearly 180 people were involved including drivers, Porsche GT3 Cup Challenge Brazil staff, engineers and mechanics, Estoril Circuit staff and others.

Mercedes-Benz CL gets a facelift for 2011

Three years after its introduction, Mercedes-Benz has given the CL a mid-cycle facelift, providing the big two-door with lightly altered bumpers--those up front with new LED daytime running lamps, reshaped headlamps, a more contoured hood, larger exterior mirrors with integrated indicators and revised tail-lamp lenses, among other detailed visual changes. More significant than the styling tweaks, however, are the changes underneath the hood, with the arrival of a new twin-turbocharged 4.6-liter V8 direct-injection gasoline engine--the first of Mercedes-Benz's advanced MoVe powerplants that aim to bring efficiency gains to its lineup. With 429 hp and 516 lb-ft of torque, the new engine delivers 47 hp and 125 lb-ft more than the naturally aspirated 5.5-liter V8 it replaces in the four-year-old CL500--enough to lower the luxury coupe's 0-to-62-mph time by 0.5 second to 4.9 seconds.

First Sight: Daimler-BYD electric car design renderings leak out

Computer renderings of an electric car, being jointly developed by BYD Co., a Chinese battery and car producer that began making cars only less than a decade ago, and Daimler AG with more than a century of experience - were leaked for the second time this year. The car marks a critical juncture for the young Chinese carmaker based in the south China industrial hub of Shenzhen, just a stone's throw away from Hong Kong. It is also a key initiative in China, now the world's biggest auto market, for Daimler.