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Global baseline assessment of compliance and enforcement programs for vehicle emissions and energy efficiency

As vehicle pollution and fuel efficiency regulations have become more stringent, the technologies required to mitigate emissions and reduce fuel consumption become increasingly complex. One...
Published 2017.11.14: Publication

Greenhouse gas emissions from global shipping, 2013–2015

Reducing greenhouse gas (GHG) emissions is the key to avoiding the most catastrophic impacts of climate change. Despite international shipping being excluded from the Paris Agreement, the...
Published 2017.10.17: Publication

Financing the transition to soot-free urban bus fleets in 20 megacities

This report addresses the opportunities for facilitating, and the barriers to financing, the transition to soot-free urban bus fleets in 20 megacities. A soot-free engine is any diesel or alternative...
Published 2017.10.11: Publication

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

Impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

Access publication here: Nature, 25 May 2017, doi:10.1038/nature22086 Nitrogen oxide (NOx) emissions from diesel cars, trucks, and buses are a major contributor to air pollution-related deaths...
Published 2017.05.15: Publication

Prevalence of heavy fuel oil and black carbon in Arctic shipping, 2015 to 2025

Dwindling sea ice is opening new shipping routes through the Arctic, with shipping activity expected to increase with oil and gas development and as ships take advantage of shorter trans-Arctic...
Published 2017.05.01: Publication

Developing a roadmap for the adoption of clean fuel and vehicle standards in Southern and Western Africa

Road transportation is one of the leading sources of outdoor air pollution in Southern and Western Africa, particularly in cities, where emissions from light- and heavy-duty vehicles, minibuses,...
Published 2017.04.28: Publication

Impacts of world class vehicle efficiency and emissions regulations in select G20 countries

In 2014, the G20 Energy Efficiency Action Plan prioritized the establishment of a Transport Task Group (TTG) to promote cooperation among participating G20 countries to develop domestic policies that...
Published 2017.01.25: Publication

Improved heavy-duty vehicle fuel efficiency in India: Benefits, costs and environmental impacts

The main objectives of this analysis are to examine the benefits and costs of fuel-saving technologies for new heavy-duty vehicles (HDVs) in India over the next 10 years and, to explore how various...
Published 2017.01.20: Publication

European vehicle market statistics, 2016/2017

The annual European Vehicle Market Statistics Pocketbook offers a statistical portrait of passenger car and light-commercial vehicle fleets in the European Union from 2001—and, beginning with the...
Published 2016.12.13: Publication

Cost assessment of near- and mid-term technologies to improve new aircraft fuel efficiency

This report summarizes the results of the first independent, bottom-up cost assessment of near and mid-term technologies to improve new aircraft fuel efficiency. Carried out in cooperation with a...
Published 2016.09.27: 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

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

Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations

The transport sector consumes more than half of global oil production, and releases nearly a quarter of all anthropogenic carbon dioxide emissions. Motor vehicles and engines contribute to ambient...
Published 2015.06.08: Publication

Potential low carbon fuel supply to the Pacific Coast region of North America

This study investigates the potential to meet the fuel carbon goals of four jurisdictions of the Pacific Coast region, simultaneously. California’s Low Carbon Fuel Standard, British Columbia’s Low...
Published 2015.01.23: Publication

The state of clean transport policy: A 2014 synthesis of vehicle and fuel policy developments

This report summarizes advances in national and international regulations intended to reduce energy use, mitigate climate change, and control air pollution from motor vehicles and fuels across eleven...
Published 2014.12.23: Publication

The reduction of upstream greenhouse gas emissions from flaring and venting

Oil wells produce natural gas along with oil, and in places where it’s difficult to transport or utilize the gas, operators of the wells may burn it (flaring) or in a few cases simply release it to...
Published 2014.11.19: 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

A Guide for the Perplexed to the Indirect Effects of Biofuels Production

Over the past decade, the concept of indirect land use change (ILUC) has come from obscurity to become a primary concern for biofuels policy. In the U.S., the Renewable Fuel Standard and California's...
Published 2014.09.04: Publication

Transitioning to Electric Drive Vehicles

This report builds on a previous analysis of the transition to electric drive light-duty vehicles in California and the Section 177 states that have adopted California’s Zero Emission Vehicle...
Published 2014.03.12: Publication

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