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Official 2014 BMW 4-series convertible photo gallery

Feast your eyes on the new 2014 BMW 4-series convertible: The newest drop-top BMW looks, well, a lot like you'd expect a hardtop convertible version of the company's new 4-series coupe to look. Mimicking the rest of the 4-series lineup, the 2014 4-series convertible will be offered in I-4 428i and straight-six 435i versions, each with a standard 8-speed automatic. Only the 428i will be available with BMW's xDrive AWD system at launch, however -- RWD is standard on both trim levels.

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.

Project Car Hell, Genuine Muscle Cars Edition: AMC Rebel Machine or Mercury Cyclone Spoiler II?

Once again, the hinges of the Hell Garage gates -- lubricated with the purest Unobtainium-239 -- creak open and bring us to another installment of Project Car Hell. Last week, we offered two options for your eternal torment, a straight-8 Packard and a straight-8 Buick, and we just love those classic Detroit cars! So much so, in fact, that we're going to stick with Detroit (well, Detroit and Kenosha, if you want to split hairs) and fast-forward the calendar a couple of decades to the Golden Age of Muscle Cars.