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7Stop-start standard in four-cylinder 2015 Chevrolet Impala

But Chevy Discontinuing More Efficient Mild-Hybrid eAssist Model

Chevrolet has announced that it will include stop-start technology as standard in the entry level 2015 Impala. The result is a nearly five-percent improvement in city fuel economy, also known as one mile per gallon, up to 25 mpg, combined.

872015 Chevrolet Impala Bi-Fuel To Run On Gas And CNG

For 2015, the critically-acclaimed Chevrolet Impala sedan will come in an all-new version: Bi-Fuel. Unveiled yesterday in Washington D.C. by General Motors CEO Dan Akerson, the car will run on both gasoline and compressed natural gas (CNG).

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