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The present work evaluated the performance of a EURO-IV vehicle for real-world driving in Mexico City. This work also attempted to identify if it was possible to reduce green house gas emission and fuel consumption for real-world driving in Mexico City by using vehicle technology available in EURO-IV certified vehicles. It used three different drive cycles representing typical driving conditions in North, South and Central zones of Mexico City. These drive cycles were developed using a single instrumented-experimental vehicle and the data collected from 200 trips over a year covering peak and off-peak driving conditions. This work used a vehicle-powertrain model of a EURO-IV vehicle, which was validated by the authors using experimental data for four other drive cycles that represented typical driving conditions in the United Kingdom.