With the Porsche Cayenne hybrid expected to arriver in 2009, the new generation will follow in late 2010.

Summer time means back to the desert for auto manufacturers, as they get the chance to bake their cars in the searing American desert heat.

All the way from Porsche Cars North American headquarters in Georgia, this second generation Cayenne prototype is getting its systems tested, particularly its electronically controlled pneumatic air suspension, as we can see from the photos the Cayenne is riding very low.

With the Porsche Cayenne hybrid expected to arriver in 2009, the new generation will follow in late 2010.

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