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Stage 3 China fuel consumption standard for commercial heavy-duty vehicles

(Update: The final China Stage 3 Fuel Consumption Standards were released on February 2018, with minimal changes from the April 2016 proposal, which is summarized in this Policy Update. Translated...
Published 2016.07.08: 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

Overview of the heavy-duty vehicle market and CO2 emissions in the European Union

Heavy-duty vehicles represent only 4% of the on-road fleet in the European Union, but are responsible for 30% of on-road CO2 emissions. The EU’s current strategy for controlling CO2 emissions from...
Published 2015.12.02: Publication

European vehicle market statistics, 2015/2016

A new edition of the pocketbook is available here. The annual European Vehicle Market Statistics Pocketbook offers a statistical portrait of passenger car and light-commercial vehicle fleets in the...
Published 2015.11.25: Publication

The future of vehicle emissions testing in Europe (and beyond)

At the ICCT we have been analyzing the growing gap between official and real-world vehicle fuel consumption and CO2 emissions of passenger cars in Europe for a few years now. We showed for the first...To solve the problem underlying the growing gap between certification-test and in-use CO2 and NOx emissions, we will have to go beyond just introducing a new test procedure.
Published 2015.11.23: Blog Post

Transatlantic airline fuel efficiency ranking, 2014

This report compares the fuel efficiency, and therefore carbon intensity, of the top 20 airlines on transatlantic routes between North America and Europe in 2014. It is the first analysis to combine...
Published 2015.11.16: Publication

Brazil's Inovar-Auto fiscal incentive program updates

In October 2012, the Brazilian government approved by decree a new program to encourage vehicle technology innovation. Inovar-Auto fosters industrial competitiveness by encouraging automakers to...
Published 2015.11.11: Publication

Effects of off-cycle credits on passenger vehicle efficiency in Brazil

In October 2012, Brazil’s Ministry of Development, Industry and Foreign Trade (MDIC) approved a policy to foster vehicle technology innovation and industrial competitiveness. Inovar-Auto provides...
Published 2015.11.11: Publication

Constant-speed fuel consumption testing of heavy-duty vehicles in India

As policymakers in India deliberate on how best to design a regulation to improve the efficiency of new heavy-duty vehicles (HDVs), one of the most critical issues is what test methods and duty...
Published 2015.11.09: Publication

U.S. domestic airline fuel efficiency ranking, 2014

This study, the fourth in a series of yearly analyses of U.S. airlines on domestic operations, arrives as we near a potential turning point for public policy concerning aviation and the environment....
Published 2015.10.22: Publication

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

From laboratory to road: A 2015 update

This 2015 update to a series begun in 2013 analyzes eleven data sources covering fourteen years, six countries, and almost 600,000 vehicles. The analysis shows that in the EU the gap between official...
Published 2015.09.24: Publication

China still lagging on fuel consumption in 2014

Following the timeline determined in the Corporate Average Fuel Consumption (CAFC) accounting rule, China's Ministry of Industry and Information Technology (MIIT) released its 2014 CAFC report in...With an average fuel consumption of 7.22 L/100km for the 2014 passenger vehicle fleet, will China be able to meet the national fuel consumption goal of 6.9 L/100km in 2015?
Published 2015.09.18: Blog Post

Literature review: Real-world fuel consumption of heavy-duty vehicles in the United States, China, and the European Union

In contrast to passenger cars, data on HDV fuel efficiency are not readily available. That is the primary motivation for this literature review, which provides a summary of recent data on real-world...
Published 2015.02.09: Publication

Improving the conversions between the various passenger vehicle fuel economy/CO2 emission standards around the world

Most governments of countries (or, in the case of the European Union, regions) with large auto markets regulate passenger vehicle fuel efficiency or CO2 emissions (essentially the same thing, since...We've updated our comparison of passenger vehicle fuel-efficiency standards worldwide, improving the test cycle conversion factors used to translate the standard values among the different...
Published 2014.12.03: Blog Post

Development of test cycle conversion factors among worldwide light-duty vehicle CO2 emission standards

Comparing the light-duty vehicle fuel efficiency standards in effect in the world's largest auto markets is not a simple, straightforward process, because any fair, apples-to-apples comparison must...
Published 2014.12.03: Publication

European vehicle market statistics, 2014

The annual European Vehicle Market Statistics Pocketbook offers statistical portrait of passenger car and light commercial vehicle fleets in the European Union from 2001—and, beginning with the 2014...
Published 2014.11.12: Publication

New light commercial vehicles in China, 2010: Technology assessment and international comparisons

This paper assesses fuel consumption and fuel-efficiency technology adoption in China’s light commercial vehicle (LCV) market in 2010, focusing on the differences among vehicle sub-categories and...
Published 2014.10.21: Publication

[Press release] Gap between reported and actual fuel economy higher than ever before

The gap between official and real world fuel-economy figures has reached more than 30 per cent, causing motorists to spend an average of €450 per year more on fuel than if that non-performance gap...
Published 2014.09.28: News

Bending the law of diminishing returns on fuel economy

Larry Vellequette had an interesting column about diminishing returns from vehicle efficiency technologies in the July 11, 2014 Automotive News. He was commenting on the chart below showing annual...On fuel economy, what matters is the cost of adding technology compared with the fuel savings it delivers. And all the evidence points to technology costs falling fast enough to keep pace with the...
Published 2014.07.21: Blog Post

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