TOPICS / Worldwide harmonized light vehicles test procedure

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Official vs. real-world road-load parameters in EU vehicle efficiency testing
Highlights the effects of disparities between real-world data and official road-load coefficients, used to set up vehicle type-approval test equipment, on fuel consumption and CO2 ratings for European passenger cars.
White paper
The future of vehicle emissions testing and compliance
Analyzes and compares new-vehicle type-approval procedures in the EU and U.S. with an eye toward demonstrating how best to align regulatory requirements, customer expectations, and environmental performance.
White paper
The WLTP: How a new test procedure for cars will affect fuel consumption values in the EU
Identifies and quantifies impacts on type-approval values of the EU's anticipated transition from the NEDC to the WLTP. Notably, the effects of the new driving cycle and the new definition of vehicle test masses result in a...
Working paper
 

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