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A review of the European passenger car regulations – Real driving emissions vs local air quality - ScienceDirect
Impact on Reduction of Pollutant Emissions from Passenger Cars when Replacing Euro 4 with Euro 6d Diesel Engines Considering the Altitude Influence
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Opel introduces new 1.5L diesel on Grandland X; Euro 6d-TEMP compliant; up to 4% lower consumption - Green Car Congress
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TRUE rating emissions update: Petrol vehicle deterioration and new diesel improvements fall short - The Real Urban Emissions
The diesel engine is fit for the future: Changeover to new emissions standard: new Mercedes-Benz passenger cars comply with the Euro 6d-TEMP standard as a minimum - Mercedes-Benz Group Media
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