"How far did Chevy engineers go to maximize efficiency in the all-new Chevy Cruze? Not only did they optimize vehicle systems to reduce fuel consumption during daily driving, they also introduced one that eliminates fuel use entirely—at least in some scenarios.
The Cruze’s deceleration fuel cutoff (DFCO) technology automatically shuts off fuel to the car’s advanced Ecotec I4 engine when the vehicle is slowing down, then seamlessly restores fuel flow when the driver needs to accelerate. The result is an improvement of up to 2 percent in fuel economy, translating into more than 17 miles of additional driving range in the Cruze Eco and more than 11 miles in other models. And significantly, DFCO is on all Cruze models, regardless of whether they’re configured with an automatic or manual transmission."
The system is part of a Chevrolet commitment to raising mpg benchmarks that is both extensive and ongoing. In fact, after less than one full year on the market, the Cruze already will see a notable jump in fuel efficiency for the 2012 model year. The 2012 Cruze Eco, with its 1.4-liter turbocharged I4 engine and six-speed automatic transmission, achieves a full 2 mpg boost to highway fuel efficiency, which is now up to 39 mpg; the non-Eco model with the same powertrain gets the same size bump to reach 37 mpg highway. And while the numbers for the Cruze Eco with its standard six-speed manual transmission don’t change, the car remains the most fuel-efficient gas-only vehicle in America, with an EPA-rated 42 mpg on the highway."
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