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GM and Tula’s Dynamic Skip Fire System to Improve Engine Efficiency

Cylinder deactivation is not quite new around the block, but General Motors said their new technology is much better and when it will reach production vehicles it will decrease their fuel consumption by 15 percent.
GM Dynamic Skip Fire 1 photo
Photo: screenshot from Youtube
Yep, General Motors has teamed up with Tula Technology in order to reinvent cylinder deactivation. They say their technology "integrates advanced digital signal processing with sophisticated powertrain controls to create a software-based approach to variable displacement engines.”

This means their Dynamic Skip Fire system will basically take thousands of decisions each second to fire or not certain cylinders inside the engine depending on torque requirements and load as well as avoiding vibration at all cost.

So far it sounds to de exactly what other cylinder deactivation systems do and nothing revolutionary seems to unveil before our eyes here. Eagerly to see what’s this all about we watched their video presentation, but the animations failed to explain exactly how this system is different.

Our take? We think it has more to do with the software operating behind the cylinder deactivation system. And since this piece of technology is still a work in progress, the companies have to keep their mouths shut and avoid exact details for the competition not to “borrow” the same principles.

Whatever the case, it sounds good enough for today’s standards and fuel efficiency demands, so we’re happy someone still has ideas to enhance an already existing technology and can’t wait to see it being implemented in future GM models.

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