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Improving emission standards compliance with a defect reporting system for in-use passenger vehicles

An emission control defect reporting program is used in California to improve compliance with passenger vehicle emission standards. The defect reporting program was adopted by the California Air...
Published 2016.07.19: Publication

Real-world fuel consumption of popular European passenger car models

Official fuel consumption values for new passenger cars in Europe are increasingly unrepresentative of real-world performance. The divergence between official and real-world fuel consumption more...
Published 2016.01.14: Publication

Vehicle emissions compliance for LDVs in India

Compliance and enforcement programs aim to ensure that, even after a period of use, vehicle emissions of criteria pollutants (primarily particulates, nitrogen oxides, hydrocarbons, and carbon...
Published 2013.08.21: Publication

In-use Testing for CO2 and Fuel Economy in the United States

  China is considering including an after-production conformity test as part of China’s Phase 3 passenger car fuel consumption standard implementation and enforcement plan and is looking for...
Published 2012.03.09: Publication

CAFE data collection and verification

The United States has implemented the corporate average fuel economy regulation for light-duty vehicles for more than thirty years, with laudable enforcement. A sound data collection and verification...
Published 2010.12.21: Publication