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2017 Global update: Light-duty vehicle greenhouse gas and fuel economy standards

Global greenhouse gas (GHG) emission and fuel economy standards for light-duty vehicles (LDVs) have progressed significantly in a little more than a decade. Ten years ago, only four governments had...
Published 2017.06.23: Publication

Review and evaluation of vehicle fuel efficiency labeling and consumer information programs

Vehicle Fuel Efficiency Labeling (VFEL) is used by numerous countries worldwide to improve the fuel efficiency of their transport fleets. The theory behind VFEL is that better-informed consumers are...
Published 2016.01.27: Publication

Hybrids break into the Japanese market (July 2015 update)

Japan's 2013 passenger vehicle fuel economy guide is out (Japanese only), and for those interested in these matters it provides much food for thought. The most striking finding is that the fuel...Japan's just-released 2013 data shows that fuel economy of new PVs there improved 7% in 2012–2013, from 21.1 to 22.5 km/L (10-15 mode). Fuel economy is up more than 80% since 1995, and averaged 6%...
Published 2015.07.28: Blog Post

Japan light commercial vehicle fuel economy standards for 2022

In March, an advisory committee to Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and Ministry of Economy, Trade, and Industry (METI) finalized new fuel economy standards for...
Published 2015.04.28: Publication

A Rorschach test for transport geeks: Passenger vehicle fuel efficiency in Japan

The latest version of Japan’s fuel economy guide for passenger vehicles was posted last week (Japanese only). Released annually by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT)...Is the fact that Japanese automakers stay 5–7 years ahead of regulatory targets evidence that they're geniuses, or that their regulators are unable to set realistic targets, or something in between?
Published 2015.04.03: Blog Post

Hybrids break through in the Japan auto market

Japan’s 2012 passenger vehicle fuel economy guide is out (Japanese only), and for those interested in these matters it provides much food for thought. The most striking finding is that the fuel...Overall, fuel economy has improved by more than 70% in Japan since 1995, and the rate of improvement has averaged 6% annually over the past five years. Much of that can be attributed to the rise of...
Published 2014.04.04: Blog Post

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

ICCT comments on Japan's draft PV fuel-economy standards

日本版はここ。 Japan PV fuel economy standards(function() { var scribd = document.createElement("script"); scribd.type = "text/javascript"; scribd.async = true; scribd.src = "http://www.scribd.com/...
Published 2011.09.26: News

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

Passenger Vehicle Greenhouse Gas and Fuel Economy Standards

Governments around the world are currently grappling with two distinct but interconnected issues—how to reduce emissions of climate-changing greenhouse gases (GHG) and how to reduce dependence on...
Published 2007.07.02: Publication