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Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

Sales of battery electric buses (BEBs) are surging in major cities around the world. Los Angeles, California committed to shift its 2,200 bus fleet to zero-emission buses (including BEBs) by 2030,...Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate...
Published 2017.11.16: Blog Post

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

Real-world vehicle fuel consumption gap in Europe at all-time high

Discrepancy between passenger vehicle type-approval test results and in-use fuel consumption and carbon dioxide (CO2) emissions at 42 per cent, with first indications of a possible slowdown in the...
Published 2017.11.05: News

Time to party like it's ... 2008?

We recently released a comprehensive GHG emission inventory for global shipping, 2013 to 2015. It builds on previous research commissioned by the International Maritime Organization (IMO) that uses...The International Chamber of Shipping says that because our recent study shows that shipping emissions remain below their 2008 peak, not to worry. That's an overly rosy view of the data.
Published 2017.10.20: Blog Post

Whac-A-Mole on the high seas: The curious case of ship emissions

If you’re old enough to remember analog arcade games you might remember the game Whac-A-Mole. It’s the fun, but sometimes frustrating game where the player uses a soft mallet to hit moles that duck...As the International Maritime Organization meets again in London to discuss a sectoral cap on greenhouse gas emissions, we revisit the complexity of how to assign responsibility for shipping...
Published 2017.10.18: Blog Post

Study: Global shipping emissions rise as IMO meets to discuss climate action

Emissions of greenhouse gases (GHGs) from global shipping are on the rise again, according to a study released today by the International Council on Clean Transportation (ICCT). This finding...
Published 2017.10.17: News

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

Distribution of air pollution from oceangoing vessels in the Greater Pearl River Delta, 2015

China is the world’s second largest economy and the largest trading nation in the world. Its coastline is visited by thousands of cargo-carrying ships on a daily basis. The Greater Pearl River Delta...
Published 2017.08.23: Publication

Declining diesel car share not a hurdle for meeting the European Union’s CO2 reduction targets, instead helps reduce compliance costs for manufacturers [press release]

In the aftermath of the Dieselgate scandal, the market share of diesel cars in Europe is declining. The average diesel passenger car emits less carbon dioxide (CO2) than a comparable gasoline car...
Published 2017.07.05: News

Shifting gears: The effects of a future decline in diesel market share on tailpipe CO2 and NOx emissions in Europe

The market share of fuel-efficient new diesel cars in the European Union has remained above 50% since 2010, greatly aiding the EU’s efforts to reduce carbon emissions. But diesel market share is...
Published 2017.07.05: Publication

CO2 emissions from new passenger cars in the EU: Car manufacturers' performance in 2016

The paper details manufacturers’ performance in terms of CO2 emissions reduction, fuel and technology trends, and market share. It focuses on differences between Member States and between the major...
Published 2017.06.30: Publication

DO Wales 2016

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Published 2017.06.29: Event

Effect of P-8 standards on bus system costs in Brazil

Brazil has controlled harmful pollutant emissions from heavy-duty vehicles (HDVs), including trucks and buses, through a series of progressively more stringent vehicle emissions standards put in...
Published 2017.04.14: 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

From laboratory to road: A 2016 update

This 2016 update to a series begun in 2013 analyzes 13 data sources covering 15 years, six countries, and approximately 1 million cars. The analysis shows that, in the EU, the gap between official...
Published 2016.11.16: Publication

[Press release] Real-world vehicle fuel consumption gap continues to widen in Europe

Discrepancy between passenger vehicle type-approval test results and in-use fuel consumption and carbon dioxide (CO2) emissions now at 42 per cent The average gap between official fuel consumption...
Published 2016.11.15: News

Is carbon neutral growth on the horizon for aviation? That depends on your definition

In October 2013, the International Civil Aviation Organization (ICAO), the specialized UN agency that acts as the de facto regulator for aviation worldwide, established an aspirational climate goal...ICAO has struggled to develop an MBM for international aviation for the past 15 years. We’ll know soon whether it succeeds this time and, if so, how close to its goal of carbon neutral growth it...
Published 2016.08.17: Blog Post

Reducing CO2 emissions from road transport in the European Union: An evaluation of policy options

The European Union’s 2030 climate and energy framework requires the transport, building and agriculture sectors to reduce greenhouse gas emissions to 30 percent below a 2005 baseline by 2030. This...
Published 2016.06.01: Publication

Just one more diesel car?

As the debate over local air quality intensifies in Delhi, the Supreme Court of India is considering whether to continue the restriction on sale of diesel cars with engines larger than two liters in...Another possible option beyond levying a punitive fee on diesel vehicles or banning their sale would be for diesel vehicle manufacturers to voluntarily agree to equip all new diesel vehicles sold in...
Published 2016.05.27: Blog Post

Action plan for establishing ship emission control zones in China

On 4 December 2015, China’s Ministry of Transport (MOT) released an action plan for implementing Ship Emission Control Zones (ECZs) in three key coastal regions: the Yangtze River Delta Region (YRD...
Published 2016.05.27: Publication

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