Video: Driving the Saturn Aura HCCI Prototype at GM’s Milford Proving Grounds

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Saturn Aura HCCI Concept Vehicle

From HighMileage.org: Adam Barrera and Vijay Ramappan test a Saturn Aura equipped with Homogeneous Charge Compression Ignition (HCCI) on GM's super-secret Milford Proving Grounds. A Chevrolet Volt mule even makes a cameo appearance! See the annotations for important highlights and facts.

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Saturn Confirms 'Green Line' Hybrid Models

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Saturn is preparing a new line of hybrid vehicles to be sold next year under the 'Green Line' moniker. The first two Green Line models will be available next year; other hybrid Saturn models will reportedly be offered in later years.