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BMW's N20 engine--four cylinders, more power

More power, greater torque, reduced fuel consumption, lower tailpipe emissions and less weight--but better? Before driving the BMW X1 xDrive28i, the first model to feature the German carmaker's new turbocharged 2.0-liter four-cylinder gasoline engine, we weren't so sure. The new engine, known as the N20 and set to lead a return of four-cylinder BMW models to North America for the first time since 1998, has been conceived to (indirectly) replace the company's long-running naturally aspirated 3.0-liter inline six-cylinder.

Mini Roadster

Mini is set to add the fifth model to its family line-up in the form of the two-seat Roadster. Based around a similar concept to the recently announced Coupe, it adopts a sportier stance as well as a focus on a more youthful market. In ditching the rear seats of the cabriolet, it becomes the first two-seat convertible in the brand's history.

Honda unveils UNI-CUB mobility device [w/video]

Honda has unveiled its new UNI-CUB personal mobility device, designed to be used in public spaces alongside pedestrians. The UNI-Cub is an evolution of the company's U3-X concept, revealed in 2009, and is designed to give users as much freedom as possible. This has been achieved through the world's first omni-directional driving wheel system – Honda Omni Traction Drive System – as well as balance control technology.