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Volkswagen is introducing a turbocharged version of the Up! using TSI technology. We spoke with Roger Guilherme, Volkswagen's powertrain director, about the performance, main technologies, robustness, interesting facts about the project, compressor, turbine, air flow control, advantages of using dual variable valve timing, ethanol sensor, direct fuel injection, cold start without auxiliary system and transmission system. A complete overview of the technical details of Volkswagen's new 1.0, three-cylinder, bicombustível engine with TSI technology, which is making its debut in Brazil.