General Motors first introduced its Active Fuel Management cylinder deactivation system in 2005. According to Lee, “Dynamic Fuel Management is a natural progression of the technology.” ...

The most straightforward of the three technologies comprising Tripower is cylinder deactivation. GM's 2.7-liter will be capable of operating on just two cylinders during periods of light load.

Fuel economy numbers for the 2018 Jeep Wrangler with the turbocharged 2.0-liter four-cylinder have finally been announced by the EPA. In the city, the two-door model gets 23 mpg, and the four-door ...

To compare fuel economy and power, a two-wheel drive Tacoma with its 2.7-liter four-cylinder is rated at 159 hp and 180 lb-ft, and achieves 21/25/22 mpg.

The 2.7-liter turbocharged four cylinder 2019 Chevrolet Silverado returned worse fuel economy than a similarly equipped 5.3-liter V8 model in a recent Car and Driver comparison test. For reference ...

Also, they said they drove about 5 miles per hour below the speed limit in the Passat TDI featuring a 2.0-liter four cylinder engine running on ultra-low sulfur diesel fuel. “We’d sit on 60 ...