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Autoweek in review: Lamborghini Egoista, Maserati Quattroporte and Ecclestone's bribery charge

Tesla's impressive first-quarter sales topped the news Monday, as the Model S outsold the luxury competition. Racing veteran Derrick Walker was also named IndyCar's president of competition and operations. Tuesday, details surrounding the Acura NSX emerged, and we took a look at the Lamborghini Egoista.

Goodyear introduces new ComforTred Touring tire

Since its introduction in 2004, more than nine million Goodyear Assurance ComforTred all-season tires have hit roadways in OE applications and in the replacement market. Even after six years of being on the market, it continues to consistently account for more than a million sales annually. It would have been easy for Goodyear to let the ComforTred train keep rolling untouched, but it realized a new version was necessary due to the changing market and emergence of the touring car segment.

Chevrolet WTCC Ultra concept

Chevrolet has released a sketch of their WTCC Ultra concept that will be unveiled at the Paris Motor Show in three weeks. Styled by Ewan Kingsbury of GM Australia, who also worked on the Holden Torana, the concept was further developed in Europe to produce a fully working prototype, while the engine comes from Korea and the body from Japan. The international collaboration demonstrates the breadth of GM's resources, and has resulted in Chevrolet's vision of a new generation of World Touring Cars.