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Range-topping 2014 Buick LaCrosse debuts in China

Shanghai GM has just unveiled the top version of the popular Buick LaCrosse sedan in China, with its debut of the LaCrosse 3.0-liter V6 SIDI IntelliTech Flagship model. This move now brings the total number of trim levels available on the LaCrosse to seven. The Chinese-market LaCrosse is a locally produced sedan that is visually identical to the American model on the outside.

Porsche plans four-door Panamera convertible

A series of European and U.S. patent applications obtained by AutoWeek show that Porsche remains committed to building a four-door convertible version of its flagship Panamera, despite recent comments from Zuffenhausen insiders indicating the car had been canceled. The new car, depicted in official drawings that accompany the latest Porsche patent applications filed in February, eschews the two-door route taken by all of its upmarket rivals for a four-door body.

Design Essay: Are smart roads just around the corner?

In order to remain relevant, the car must constantly evolve. But while almost all attention focuses on four wheels, the roads that facilitate an automobile's progress have remained relatively unaltered since Eisenhower formed the National Highway system in the 1950s. With environmental concerns getting ever higher on the agenda, there is an opportunity to think outside the (metal) box and rethink the road, making it as smart as the vehicles and devices that travel upon it.