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Holden cuts Commodore V8 power to save gas

For the first time in many years, the engineers at Holden, GM's Down Under division, have cut the power of a V8 engine in the big Commodore sedan. The 6.0L V8 automatic transmission combination in the Commodore is now equipped with Active Fuel Management, GM's terminology for cylinder deactivation. The system allows four cylinders to be shut off at light load conditions. In the Commodore (which is sold in North America as the Pontiac G8) the power drops from 362 hp to 349 hp while combined fuel efficiency goes from 16.44 mpg to 18.23 mpg ... Read more →

2007 Chevy Impala will be first V6 engine that can switch to three-cylinder operation Sebastian Blanco

Sure, it's possible to argue about the long-term benefits of ethanol, but GM's announcement that their new 3.9L V6 engine will be a flexible fuel engine is the less exciting of the two bits of news. ...

Holden cuts Commodore V8 power to save gas 10 months ago on Autoblog Green

For the first time in many years, the engineers at Holden, GM's Down Under division, have cut the power of a V8 engine in the big Commodore sedan. The 6.0L V8 automatic transmission combination in the Commodore is now equipped with Active Fuel Management, GM's terminology for cylinder ...

2007 Chevy Impala will be first V6 engine that can switch to three-cylinder operation 3 years ago on Autoblog Green

Sure, it's possible to argue about the long-term benefits of ethanol, but GM's announcement that their new 3.9L V6 engine will be a flexible fuel engine is the less exciting of the two bits of news. The second announcement, that the 3.9L V6 will have cylinder deactivation, is really a good idea ...


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