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Along with its high performance SLS AMG, Mercedes-Benz will introduce a more environmentally friendly car in the form of another hybrid S-class. This one -- the Vision S500 Plug-in Hybrid -- comes equipped with a charging plug.

The idea of a plug-in Prius isn't new to Toyota (it's toyed with several prototypes in the past), but the Japanese automaker is bringing another example to the 2009 Frankfurt motor show, this time based upon the all-new 2010 Prius.

Today, it's official: here's the Lexus LF-Ch concept, the show car for the 2009 Frankfurt motor show that aims to compete with the likes of the BMW 1-series.

Although Mazda's celebrating the MX-5's 20th anniversary with a special trim package, we wish they'd push something like this new Superlight concept into production instead.