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Porsche confirms smaller four-cylinder engines

Porsche has confirmed it will reduce its CO2 emissions by introducing four-cylinder engines in the next Boxster and Cayman models. CEO Matthias Müller told Germany’s Auto Motor und Sport magazine that road cars will follow the lead set by the Le Mans Porsche 919 we first saw at Geneva, by being fitted with smaller, turbocharged engines. 2014 Porsche Boxster and Cayman GTS revealed Porsche 919 Hybrid at the 2014 Geneva Motor Show Although Porsche hasn’t officially given any performance figures for the new four-cylinder petrol engine, Müller reportedly said it would boast up to 400hp – making it more powerful than the outgoing six-cylinder models, including the range-topping GTS unveiled last week.

Toyota Prius: Battery bottleneck limits Prius Output

Battery bottlenecks are hurting efforts to boost output of the Toyota Prius to meet booming demand, and the problem will likely persist into next year, a Toyota official says. "The new Prius model has been excessively popular, inconveniencing some of our customers, and the factories are working overtime at full capacity," Takahiko Ijichi, Toyota senior managing director, said Tuesday at the company's quarterly earnings announcement. "Unfortunately, the batteries are not catching up with demand.

Video: Corvette ZR1's record Nurburgring lap

By Ben Pulman Motor Industry 16 July 2008 09:00 With a supercharged 6.2-litre V8 pumping out 620bhp and 607lb ft and only needing to push 1519kg, the Corvette ZR1 was never being to be slow. But few people outside of General Motors could have expected the ZR1 to lap the Nurburgring faster than a Nissan GT-R. Well, the ZR1 has just blitzed the GT-R’s time by nearly four seconds, clocking a 7:26.4 lap time.