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Mazda's rotary engine stalled, not forgotten

Development of the next-generation rotary engine from Mazda Motor Corp., first unveiled three years ago, is making slow progress despite missing emissions targets. A top Mazda powertrain executive said today that the 1.6-liter rotary engine, called the 16X, is about 30 percent more fuel-efficient than the current rotary engine used in the RX-8 sporty car. In fact, the 16X so far performs slightly better than Mazda's standard two-liter gasoline engine, said Mitsuo Hitomi, general manager of the Japanese carmaker's powertrain division.

Volvo announces engines for upcoming V60 Sportswagon

Volvo has been listening to its American admirers. That's why next year we're going to get the fastest and most powerful wagon in Volvo history. Yes, it sounds like a good chunk of Volvo's U.S.

Buick hopes 'Truth' site will set it free, help launch Regal

Call it the Fiesta Movement for grown-ups. To help launch the 2011 Regal sedan, Buick will host a social media Web site with videos from buyers supplied with flip cameras, just like Ford's campaign for the youth-oriented Fiesta small car. But the Regal site will feature reviews, not the playful commercials and local coming-out parties that characterize the Fiesta Movement.