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Porsche plans four-door Panamera convertible

A series of European and U.S. patent applications obtained by AutoWeek show that Porsche remains committed to building a four-door convertible version of its flagship Panamera, despite recent comments from Zuffenhausen insiders indicating the car had been canceled. The new car, depicted in official drawings that accompany the latest Porsche patent applications filed in February, eschews the two-door route taken by all of its upmarket rivals for a four-door body.

Local Motors 'Design Our Car' competition opens

Local Motors has opened its first-ever ‘Design Our Car' competition, which encourages collaboration within the manufacturing community. The open-source automaker is providing two of its Rally Fighter cars, one of which will be built at the company's micro-factory in Arizona while the other will be built live in the Emerging Technology Center at September's International Manufacturing Technology Show (IMTS) in Chicago. Ideas from the design and engineering community are being sought to help design and select a skin for the Rally Fighter that will be built by the Local Motors team this spring.

Audi will build electric sports car

It's official: Audi's e-tron is a go. Audi of America President Johan de Nysschen says an electric vehicle based on the high-performance e-tron concept will debut in the United States in two to three years. The sleek two-seat sports car was unveiled at the Frankfurt auto show last month, but at the time Audi would not confirm plans to produce it.