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Chrysler developing new supercharged Hemi V8

Chrysler Group is developing a supercharged Hemi V8 with power approaching the 640 hp of the SRT Viper's V10. The 6.2-liter engine, code-named Hellcat, is expected to debut on the next-generation Dodge Challenger and perhaps other vehicles, according to sources within Chrysler. The engine's existence was revealed on the Internet site Allpar.com and confirmed by Chrysler insiders.

2014 Porsche Panamera gets new hybrid

The Porsche Panamera has been restyled and the lineup gains a plug-in hybrid model, along with a new twin-turbo V6 for the Panamera S and 4S models that is more powerful than the former base V8. Also, Porsche is adding a stretched version of the Panamera with 5.9 inches added to the wheelbase for additional rear-seat legroom. The restyled Panamera goes on sale in the United States late this year as a 2014 model.

Renault is reviving the Gordini name for high-performance models

They don't sell Renaults in the United States anymore, but it's worth noting that the French automaker is reviving the Gordini name for high-performance versions of the Twingo and the Clio. The name pays homage to Amedee Gordini, a mechanical whiz known as "the sorcerer" for taking production-car engines and making them competitive on the great racetracks of Europe. The Gordini versions of the Twingo and the Clio will wear the trademark light blue paint with a pair of white stripes running from nose to tail and centered over the driver.