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Rinspeed to debut autonomous XchangE concept at Geneva motor show

Dutch coachbuilder Rinspeed has built a reputation for imagining and creating cars from 10 years in the future and making them a reality, either for well-heeled customers or for auto show crowds. So it came as no surprise when it revealed its newest project slated for the 2014 Geneva motor show, meant to preview the interiors of the self-driving cars of tomorrow. Yes, that's a Tesla Model S underneath with a (mostly) muted restyling of the front fascia, though it is really the interior that's meant to be the showpiece.

The 500-hp club

Petrol heads, continue to rejoice: Car manufacturers have not ignored your cries for high-powered cars and trucks. Despite tightening emissions regulations and rising fuel costs, automakers are building an increasing number of vehicles putting out at least 500 horses. Based on our research, there are over 80 cars sold in the United States that deliver these burnout-inducing numbers (not including tuners such as Mosler or Callaway).

Mercedes-Benz replaces CLK with E-class coupe

After a 12-year run and more than 460,000 sales across two generations, Mercedes-Benz has replaced the CLK with the 2010 E-class coupe. Debuting at next month's Geneva motor show and with U.S. sales slated to begin in June, the upmarket two-door represents a departure from its predecessor not only in name but also on a technical basis, switching from the old C-class platform to a modified version of the structure that underpins the recently revealed E-class sedan.