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Hybrid Engine Noise

Hybrid Cars Need To Be Louder, Congress Rules

AP | KEN THOMAS | Posted 05.25.2011 | Business

WASHINGTON — Silent hybrid vehicles may soon be a thing of the past. Auto safety regulators would be required to set minimum sound levels for hyb...

Quiet Hybrids: Are They More Dangerous?

AP | By KEN THOMAS | Posted 05.25.2011 | Business

WASHINGTON -- The age of the silent hybrid may be coming to an end. Gas-electric hybrids, propelled by electric motors at low speeds, are well-know...