This concept was introduced some years back by Mercedes-Benz, but they have finally followed-up with an actual engine that has been tested and some interesting data to show about its performance. Mercedes-Benz claims the 1.8 l engine to output 238 bhp and 295 pdft of torque. The engine has turbo-compression, direct fuel injection and “controlled auto ignition”. As some of you may know auto ignition is a process used in Diesel engines where the fuel self ignites under huge pressure. Gasoline has to be ignited with an outer heat source, such as spark plugs. Controlled auto ignition would then have to be a hybrid process of Diesel-like self ignition used on gasoline. Fuel consumption is about 6 l / 100 km, and Mercedes-Benz says the given data is for larger category cars, such as limos from the S-class. Pretty impressive.

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