Combining both turbocharging and supercharging in a gasoline engine to derive optimum downsizing benefits, Volkswagen AG takes another forward step in advanced engine technology with its recently launched TSI 1.4L DOHC I-4. The all-new TSI architecture follows the company’s seminal TDI (turbo direct injection) diesel and FSI (direct injection gasoline) engines. Employing the TSI system, a beefed-up version of the company’s existing gasoline 1.4L DOHC I-4 punches out an impressive 170 hp at ...

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