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Tesla Model S battery fire inquiry closed by NHTSA

The National Highway Traffic Safety Administration said it closed a three-month-long investigation of fires in the Tesla Model S this week, as Tesla announced a design change to better shield the electric car's batteries. Tesla Motors Inc. said today it has started building the Model S with a titanium underbody shield to prevent battery fires like the two that occurred in the United States last year when Model S drivers struck road debris.

Aston Martin Virage: Best to think of it as the DB9 ‘Ghia’

Aston Martin Virage at Geneva No, we didn’t know there was a yawning gap in price and performance between the Aston Martin DB9 and the Aston Martin DBS, crying out to be filled by the new Aston Martin Virage. And nor did we know there was a similar gap between the DBS Volante and the DB9 Volante, just begging for the Aston Martin Virage Volante. But Aston Martin obviously realised.

Ford tests electric-vehicle sounds on Facebook

Sure, if it were up to us, every car would sound like a Lamborghini Aventador or a McLaren Formula One race car. And while those specific options aren't available (yet),Ford is using its Facebook page to let fans vote on sounds to be made by the electric Focus. Since EVs are so quiet, Ford needs to give the Focus electric some sound for safety's sake--to draw the attention of people who are blind people, those using cell phones or iPods and even for animals.