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Listen: Upcoming Ford Focus ST to employ sound symposer

While BMW employs a digitally sanitized/perfected sound file to give M5 owners the proper sense of aggro urgency when motoring at pace, Porsche went a little more organic with its employment of a sound symposer to feed the 911's flat-six growl into the cabin of the extra-refined 991. Essentially, the sound symposer is an electrically controlled diaphragm in a tuned sound tube that brings the proper engine noises into the passenger compartment. It can be opened and closed by the car's onboard electronics to offer snarl when you want it and serenity when you don't.

Nissan EV moves electric car closer to reality

It's called the Leaf in Japan, and whether or not Nissan's production electric car carries that name in the United States, the company insists that the car will be on the road before the end of 2010. Slightly larger than the familiar Versa subcompact, the zero-emissions Leaf was unveiled Aug. 2 at a dedication ceremony for Nissan's new global headquarters in Yokohama, Japan.

Porsche Cayenne based Eterniti Artemis production debut

The Eterniti Artemis – a titivated Porsche Cayenne – is shown in almost production-ready guise before a debut in Asia in 2013. But despite plenty of negatives about the Eterniti Artemis – not least of which are how it looks and how much it costs – Eterniti seem sure they have a market – certainly in Asia – and they’re now showing us what is pretty much the production-ready version of the Artemis (above). Power comes from the same V8 Turbo the Cayenne Turbo gets, but Eterniti have tweaked it to deliver 600bhp and 750Nm of torque, despite which it’s no quicker than the £107k Porsche Cayenne Turbo S.