Lean, mean and green Hybrids are the rage at this year's Detroit Auto Show. Centre stage then is the $80,000 Fisker Automotive plug-in hybrid set for delivery in 2009. California-based Fisker is the namesake of Danish-born Henrik Fisker, CEO and designer of the BMW Z8 and Aston Martin DB9.

The Fisker Karma can go up to 50 miles before the gas engine kicks in to charge the lithium-ion batteries. It features a 125mph top speed capable of reaching 60mph from a standstill in 5.8 seconds, yet is apparently greener than a Toyota Prius.

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