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Off the hook: Europe's current ZLEV proposal would allow CO2 emissions of new combustion engine vehicles to increase

In order to promote the uptake of electrified vehicles, the European Commission included targets for zero-and low-emission vehicles (ZLEV) in its recent regulatory proposal for the time period up to...Even though targets for low- and zero-emission vehicles are an innovative approach for EU standards, they could undercut the climate benefit of the regulation. Fortunately, with some slight...
Published 2018.06.21: Blog Post

Palm oil is the elephant in the greenhouse

Palm oil isn’t as bad for climate as you think. It’s worse. The oil palm industry is expanding quickly into tropical rainforest, and increasingly into peat swamp forest. The total land area planted...Palm oil isn’t as bad for climate as you think. It’s worse.
Published 2018.06.06: Blog Post

ILUC factors and palm oil yields: Resolving an apparent contradiction

Farmers and other biofuel stakeholders sometimes express disbelief in the magnitude of indirect land use change (ILUC) emissions that researchers say is associated with palm oil biodiesel. For...Palm plantations have a much higher yield of vegetable oil per hectare compared to rapeseed and other oil crops. How can the ILUC emissions for palm oil biodiesel be so much higher than for those...
Published 2018.05.31: Blog Post

Deixado para trás: Brasil poderá ser o último grande mercado automotivo a adotar o padrão Euro VI

O Brasil poderá ser o último dos grandes mercados automotivos sem padrões equivalentes ao Euro VI para caminhões e ônibus. As emissões de veículos novos são controladas através de padrões...O padrão P-8 equivalente ao Euro VI é uma das políticas públicas mais custo efetivas que o Brasil poderia adotar na luta contra a poluição dos ônibus e caminhões.
Published 2018.05.23: Blog Post

Left in the dust: Brazil might be the last major automotive market to adopt Euro VI standards

Brazil might be the last major automotive market without Euro VI-equivalent standards in place for heavy-duty trucks and buses. Emissions from new vehicles are controlled through regulatory standards...Euro VI-equivalent standards are one of the most cost-effective public policies Brazil could adopt to address air pollution from buses and heavy-duty vehicles.
Published 2018.05.23: Blog Post

NOx technology breakthrough or media stunt to halt diesel’s demise?

Bosch recently announced, with great fanfare, a breakthrough in the automotive world: A new technology that would solve once and for all the nitrogen oxide (NOx) problem of diesel engines. Being the...A new technology was recently announced that would solve the nitrogen oxide emission problem from diesel engines. But, is this really a new technological breakthrough?
Published 2018.05.22: Blog Post

Yes, your mother loves the flowers, but maybe not the cost of flying them in

Twice a year, at Valentine’s Day and Mother’s Day, newspapers in the U.S. often print articles informing the public where their flowers come from. While the main purpose of these stories may be to...Around Mother’s Day, media outlets often publish articles about where the flowers we buy often originate and the extraordinary efforts taken to transport them to the U.S. How much jet fuel is burned...
Published 2018.05.09: Blog Post

ICAO, why can’t you be a bit more like your sister?

Arguably, the biggest climate news so far in 2018 is the International Maritime Organization, or IMO, finally adopting a global climate framework for international shipping. In doing so, it joined...IMO and ICAO, the sister UN agencies governing international shipping and aviation, have both struck global deals on greenhouse gas emissions. But why, oh why ICAO, can’t you be more like your sister...
Published 2018.05.02: Blog Post

How to think about vehicle bans: An update after two major European judicial decisions

In August and again in December of last year, I was asked to speak about the implications of the surprising surge in public announcements of future bans on certain types of vehicles. At the time, I...There has been a surprising surge in announcements by cities and national governments of future bans on certain types of vehicles. These bans are a signal of growing political will, impatience with...
Published 2018.05.02: Blog Post

Did the Delta and United exit from the Persian Gulf have any effect on the market’s fuel efficiency?

In the first quarter of 2016, both Delta Air Lines and United Airlines ended all flights from the U.S. to the Persian Gulf. Delta stated that they terminated their Atlanta-Dubai route because it was...With the exit of Delta and United from the Persian Gulf market, one would expect that there was some impact on the market’s average fuel efficiency. But, is it due to a less diverse mix of aircraft,...
Published 2018.04.24: Blog Post

Is it finally time to be bullish on IMO’s climate policy?

An economics blogger I follow once wrote that it’s impossible to be a long-run market bull if you’re always a short-term market bear. The adage, which points out that it’s philosophically...Progress in establishing a cap on GHG emissions from shipping has been slow going. But, last week, the IMO finally passed a resolution on the first global climate framework for international shipping...
Published 2018.04.19: Blog Post

A no-regrets option: What discussions in the European Parliament spotlight about a light-duty 2025–2030 CO2 standard for the EU

Recently I attended a workshop in the European Parliament on CO2 standards for new passenger cars and vans for 2025–2030, organized by the Committee on Environment, Public Health and Food Safety (...Although there is broad agreement on what steps need to be taken regarding CO2 standards for new passenger cars and vans, the regulatory proposal from the European Commission is far from actually...
Published 2018.04.04: Blog Post

Canada lags the United States in climate accounting of biofuels

The Clean Fuel Standard (CFS), a major pillar of the Pan-Canadian Framework on Clean Growth and Climate Change, aims to reduce GHG emissions by 30 million tonnes of CO2e annually by 2030 by reducing...Canada's Clean Fuel Standard aims to reduce GHG emissions by 30 million tonnes of CO2e annually by 2030. However, by ignoring emissions from indirect land-use change, the CFS could hit its target on...
Published 2018.04.04: Blog Post

Unique challenges and solutions to sustainable transport issues in Africa

The transport sector accounts for almost one quarter of all global greenhouse gas (GHG) emissions and is one of the main contributors to urban air pollution in most cities. African countries and...The transport sector accounts for almost one quarter of all global greenhouse gas (GHG) emissions and is one of the main contributors to urban air pollution in most cities. African countries and...
Published 2018.03.28: Blog Post

Practical lessons in vehicle efficiency policy: The 10-year evolution of France's CO2-based bonus-malus (feebate) system

As we've pointed out in the past (for example, here and here), feebate systems can be an effective policy tool for promoting vehicle efficiency and reducing both fuel consumption and CO2 emissions....Feebate systems can be an effective policy tool for promoting vehicle efficiency. A change that France made recently to its feebate system illustrates the absolute best way to do things, while a look...
Published 2018.03.12: Blog Post

Don't throw out California's ILUC factors yet

Soy biodiesel is generally understood to have high indirect land use change (ILUC) emissions.  For example, California assigns an ILUC factor of 29 gCO2e/MJ to biodiesel in its Low Carbon Fuel...Newer is not always better. California’s ILUC analysis relies on stronger evidence on palm oil expansion than a new study from Argonne National Laboratory.
Published 2018.03.09: Blog Post

Soot-free buses and trucks for Mexico: Establishing the roadmap for Central and South America

Mexico is now officially the first country in Latin America to adopt national soot-free emissions standards for heavy-duty vehicles. NOM-044-SEMARNAT-2017 introduces the Euro VI or US 2010 standard...If the experience in Mexico is any indication, some manufacturers will likely look to weaken and delay the inevitable, rather than embracing and enacting cleaner standards that will make cities more...
Published 2018.03.07: Blog Post

Does it matter to your carbon footprint whether you're flying across the Atlantic or the Pacific?

In 2015, the ICCT released a white paper comparing the fuel efficiency of 20 major airlines operating in the transatlantic market-specifically, nonstop passenger flights between North America and...Two recent ICCT studies on the fuel efficiency of airlines revealed different gaps between the most and least efficient airlines operating transatlantic and transpacific routes. Could this be due to...
Published 2018.03.05: Blog Post

Size matters for aircraft fuel efficiency. Just not in the way that you think.

In our recent transpacific airline ranking, we assessed and compared the fuel efficiency of the top 20 airlines operating flights between the U.S., East Asia, and Oceana.  One interesting finding was...One might assume that the larger the plane, the more fuel-efficient it is per passenger due to economies of scale. But in the case of flights over the Pacific, conventional wisdom turns out to be...
Published 2018.02.27: Blog Post

One weird trick to improve airline efficiency - gain belly weight!

In our recent transpacific airline fuel-efficiency ranking, we quantified the passenger-based fuel efficiency of 20 airlines after correcting for cargo carried on passenger flights ("belly freight...Would ICCT's recent transpacific fuel efficiency ranking change if dedicated freighters were taken into account? Did the rankings incorrectly reward airlines for carrying belly freight when putting...
Published 2018.02.22: Blog Post

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