Gasoline versus diesel: Comparing CO2 emission levels of a modern medium size car model under laboratory and on-road testing conditions

For this paper, the CO2 emissions levels of two versions of the Volkswagen Golf, one diesel (Golf TDI) and one gasoline (Golf TSI), were compared both in laboratory tests and in on-road measurements under real-world driving conditions. Both vehicles were Euro 6 type approved prior to the introduction of the Worldwide Harmonized Light Vehicles Test Procedure (WLTP) and Real Driving Emissions (RDE) NOx not-to-exceed limits in the EU.

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