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Tesla Roadster 2.5 breaks cover

Perhaps feeling a bit of chutzpah after a wildly successful stock offering this week, Tesla is demonstrating on Thursday that it still has an eye toward product, revealing the updated Tesla Roadster. And it's available for order now. Called the Roadster 2.5, the car features minor enhancements, including a new front fascia with different diffuser vents (the change is actually apparent) and new rear diffuser.

Dodge debuts a collector's-edition Mopar Charger

Banking on the success of last year's Mopar version of the Dodge Challenger, the company is now ready to launch the high-performance 2011 Mopar Charger. Chrysler's Hemi V8 powers the four-door sedan, pumping out 370 hp and an upgraded 395 lb-ft of torque. The specially equipped Charger includes the Super Trac Pac option that adds the performance-calibrated engine controller, larger front and rear stabilizer bars, specific 20-inch wheels and upgraded brakes.

Renault Twizy gets the Formula One treatment

Renault has applied the state-of-the-art kinetic energy recovery system (KERS) used in its Formula One drivelines to the pint-sized Twizy electric car. The result? A new zero-emission concept whose claimed 0-62-mph acceleration time matches that of the French carmaker's fastest production car, the RenaultSport Megane 265, at 6.0 seconds.