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

Saturn Aura HCCI Concept Vehicle

From 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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