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Dispelling some myths about the gap between test-lab and real-world vehicle CO2 emissions

We've just released the annual update to our From Laboratory to Road series, which documents the growing gap between official, or type-approval, CO2 emissions from passenger cars in Europe and their...An explanation of what has and has not caused the gap between test-lab and real-world vehicle CO2 emissions to increase by over 30 percentage points in just over a decade.
Published 2015.09.30: Blog Post