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New Volkswagen TDI Turbodiesel Engine: 268 HP, Electric Turbocharger

As it works to meet stricter global emissions standards, Volkswagen is set to launch a range of new fuel-saving technologies on future models.

Among the highlights of a recent technical presentation at the carmakers' headquarters in Wolfsburg, Germany, was the announcement of a new and more powerful TDI turbodiesel engine.

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This 2.0-liter four-cylinder engine will be powerful as well as efficient, making up to 268 horsepower, according to a report from Autocar.

It will be based on the EA2888 design already used in several Volkswagen models--now rated at 150 hp--but with a new electric turbocharger, higher-pressure fuel system, and other modifications.

Audi RS 5 TDI concept
Audi RS 5 TDI concept

Manufacturers are showing considerable interest in electric turbochargers as a way to help decrease the size of engines without sacrificing the power and responsiveness of larger, naturally-aspirated units.

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Whereas standard turbochargers are driven by exhaust gases and require time to spool up, electric turbos boast the instantaneous response of an electric motor, curtailing the "turbo lag" common to many cars with this type of forced induction.

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