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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.

Lotus offers supercharger kits for the Elise and the Exige

Lotus enthusiasts looking to wring a little more power out of their rides now have a potent option: a supercharger kit for the Elise and Exige models. The kits boost power in the naturally aspirated versions from about 189 hp to 218 hp and improve torque from 133 lb-ft to 155 lb-ft. Even better, this added power comes on quicker, with peak torque coming on at 5,000 rpm, rather than 6,800 rpm.

Car Design of the Year Awards 2007

What was your favorite car design from 2007? Here's your chance to vote for your favorite designs and CDN will present an award to the winning design teams. For the next four weeks, Car Design News is asking its readers to vote for their favorite car designs from the last twelve months.