Quieter rides

SAE 100 Future look: Cell phones, high-end stereos, satellite radios, navigation systems, CD and DVD players. No it's not necessarily the inventory at your local consumer-electronics store.

These are just some of the audio-related devices used in cars today, and surely these and others will be staples in the car of tomorrow.

As a result, automobiles will have to become significantly quieter, keeping the noise out so passengers inside can enjoy the latest advances in communications and entertainment technologies.