Porsche Cayenne S hybrid: More techs and specs released

Porsche is serving up a few more details on the Cayenne S hybrid, which is expected to arrive in 2010.

It should be green--and mean to the tune of 385 hp and 545 lb-ft of torque. And carbon-dioxide emissions are expected to be reduced by 20 percent over a comparable combustion engine.

The gaudy output comes from adding the elements of the parallel hybrid system. Here

By Greg Migliore