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Microprocessor Delivers Huge Efficiency In Chevy Cruze

Last updated 6 years ago

Chevrolet engineers used a lot of brainpower to help ensure the Chevy Cruze was the most fuel-efficient gas-only compact in America, and they made sure the car’s fuel system could do the same thing: Thanks to an advanced fuel-system/chassis-control module that acts as the “brain” of the Cruze’s innovative Electronic Returnless Fuel System, the car can achieve a fuel-economy increase of 2 percent as compared to vehicles with a standard system.

The thinking here is simple. While the pumps in “regular” fuel systems run at full speed at all times, the setup in the Cruze can monitor the amount of fuel being delivered to the engine and slow the fuel pump as needed to meet driver requirements. Not only does this reduce the amount of fuel being used, but lowering the speed of the pump also means lowering the amount of power it consumes, reducing both the electrical load on the alternator and the strain on the engine for further efficiency gains.

Best of all, according to Terry Wilton, General Motors’ senior manager for fuel system components, “To a customer, the Electronic Returnless Fuel System technology is seamless. The driver does not notice the changes to fuel pump speed because engine fueling requirements vary during different vehicle driving conditions.”

But thanks to the Chevrolet Cruze’s resulting ability to post an EPA line of 28 mpg city/42 mpg highway/33 mpg combined, what Cruze owners—and their bank accounts—will notice is the car’s ability to avoid fuel pumps of a different kind.

Want a test drive? Call or stop by Jerry’s Chevrolet in Baltimore, Maryland to schedule yours today.


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