Watch Tesla Model S testing new titanium armor

In a missive signed by Elon Musk himself, Tesla announced it would be adding titanium plates and aluminum deflectors to all new Model S sedans and offering free retrofits for the 20,000 or so existing EVs. The company earlier offered an over-the-air software update to raise the ground clearance of the Model S so the car would be more likely to clear dangerous road debris. The actions were in response to well-publicized fires in the electric luxury sedans.

Chevy to auction first Z06 for Karmanos Cancer Institute

Chevrolet is continuing its tradition of donating its first production model of a new vehicle to be auctioned for charity: The first production 2015 Chevrolet Corvette Z06 will be sold at the Barrett-Jackson Palm Beach, Fla. event on April 12. Proceeds will go to the Karmanos Cancer Institute, extending the General’s long-standing support for the organization.

Audi TT RS plus costs from £48,945

Audi TT RS Plus costs from £49k With the Audi TT RS Plus order book about to open in the UK, Audi reveals it will costs from £48,945 for the manual coupe. Audi revealed the TT RS Plus back in February – ahead of a debut at the Geneva Motor Show in March – as a new range-topping model to sit above the existing TT RS. The TT RS Plus gets pretty much the same performance and power levels as the US version of the TT RS, but Audi has positioned the RS Plus at the top of the range in the UK and Europe as a more hard-core version of the regular RS.