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From laboratory to road: A 2014 update

Europe’s passenger-car efficiency regulation has very effectively driven down the official average CO2 emissions and fuel consumption of new passenger cars in the EU. The 2015 target of 130 grams of...
Published 2014.09.28: Publication

From Laboratory to Road

Fuel consumption and carbon dioxide emission values for new cars in Europe are determined via the so-called type-approval process, which involves testing vehicles under laboratory conditions using...
Published 2013.05.27: Publication

Inertia classes, vehicle emissions tests, and the dead hand of the past

Test procedures are a key feature of any system of regulating vehicle emissions. Vehicle emissions testing* involves running a vehicle on a chassis dynamometer, which (among other things) simulates...The current system of using inertia classes for vehicle emissions testing is an anachronism, kept in place by force of habit rather than force of logic. And it has the bad effect of allowing...
Published 2011.12.09: Blog Post

Top-selling fuel-efficient vehicles, 2010

The biggest passenger vehicle markets have progressively seen an increased penetration of highly fuel-efficient and technologically advanced automobiles (defined as vehicles having the lowest...An ICCT analysis of vehicles sold in the EU, U.S., India, China, and Japan shows intriguing trends in how OEMs aim to both meet emission standards and appeal to customers.
Published 2011.07.13: Blog Post

Inertia classes in worldwide harmonized light vehicle test procedure (WLTP) development

The definition of vehicle weight used for testing procedures is an important decision when drafting the regulation on determining emission values under the WLTP. Currently, different inertia class...
Published 2011.05.18: Publication