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Silent but deadly: The case of shipping emissions

Earlier this month a group of researchers from the ICCT, The George Washington University Milken Institute School of Public Health, and the University of Colorado Boulder released a new study...The health impacts of light-duty diesels are widely known today. But a new global study analyzing early deaths from transportation air pollution also highlights a lesser known culprit: international...
Published 2019.03.22: Blog Post

Why aren’t Uber and Lyft all-electric already?

Uber and Lyft have been making a lot of headlines in the media due to their widely-anticipated initial public offerings. These popular ride-hailing companies, together valued at over $100 billion,...Ride-hailing companies have a real opportunity to go way beyond their early pilots and make electrification a core part of their business
Published 2019.03.22: Blog Post

If we use livestock feed for biofuels, what will the cows eat?

Around one-third of all biodiesel produced in the U.S. is made from waste feedstocks like used cooking oil, animal fats, and inedible corn oil. But few waste feedstocks are really wastes; none of...“Waste” biodiesel from corn oil probably drives up corn production and could have resulted in 500 thousand extra tonnes of CO2e emissions in 2017.
Published 2019.01.10: Blog Post

U.S. airlines on track to meet one carbon goal, even without government leadership

In 2009, the International Air Transport Association (IATA), the global trade association for cargo and passenger air carriers, set three goals for the reduction of carbon dioxide (CO2) emissions...Airlines are expected to achieve their goal of an average improvement in fuel efficiency of 1.5% per year.
Published 2018.12.17: Blog Post

What you don’t know can hurt you: European vacation edition

In our recent transatlantic airline fuel efficiency study update, we compared the fuel efficiency of 20 airlines with routes between the United States and Europe. Most of the transatlantic routes in...Finding the lowest carbon flight for a specific trip is more complicated than simply choosing the most fuel-efficient carrier.
Published 2018.12.10: Blog Post

Kinks in the pipeline: A survey of downstream alternative jet fuels challenges

We often hear about how biofuels and other alternative fuels will be needed to decarbonize the aviation sector in the long-run. How easy or difficult will this be to achieve? There are already some...Although touted by some as necessary to decarbonize the aviation sector, logistics are still an issue for alternative jet fuels.
Published 2018.10.31: Blog Post

Is the Renewable Fuel Standard enough to spur progress in advanced biofuels? Probably not.

Production of cellulosic biofuel is expected to fall nearly 7 billion gallons short of meeting the statutory Renewable Fuel Standard (RFS) volume for this type of advanced biofuel in 2018, which has...Government grant and loan guarantees, not the Renewable Fuel Standard, have been essential in spurring progress in the cellulosic biofuel industry.
Published 2018.10.18: Blog Post

Bioenergy can solve some of our climate problems, but not all of them at once

Bioenergy has become a popular decarbonization strategy—so popular that policy makers and researchers in several sectors are claiming biofuels, bio-electricity, and bio-heat can deliver a large...Bioenergy has become a popular decarbonization strategy to reduce greenhouse gas (GHG) emissions. However, even if bioenergy production is maximized, competition across industry sectors is high.
Published 2018.10.15: Blog Post

Will slow and steady win the race for alternative jet fuels?

The International Civil Aviation Organization (ICAO) relies heavily on the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) to reduce greenhouse gas (GHG) emissions from...Despite ICAO's reliance on alternative jet fuels to decarbonize the avaiation industry, production does not appear to be keeping up.
Published 2018.10.09: Blog Post

New supersonic transport aircraft: Fuel burn parity, or environmental parody?

In 2016, Sir Richard Branson, president of Virgin Atlantic Airways, announced that the Virgin Group would assist aviation start-up Boom in developing a new supersonic transport (SST) aircraft.  Boom...Boom Technologies' CEO claims the company's proposed supersonic aircraft's fuel burn will be on par with subsonic business-class travel. Will it?
Published 2018.09.28: Blog Post

EPA sets a first in accurately accounting for GHG emissions from waste biofuel feedstocks

In a rule released last month, EPA became the first regulatory body to accurately account for greenhouse gas emissions (GHG) from displacing waste, residue, and byproduct biofuel feedstocks from pre-...In a rule released last month, EPA became the first regulatory body to accurately account for greenhouse gas emissions (GHG) from displacing waste, residue, and byproduct biofuel feedstocks from pre-...
Published 2018.09.17: Blog Post

The future is electric, but why’s it taking so long?

As clean energy policy and business leaders convene in San Francisco for the September 12-14 Global Climate Action Summit, few topics of discussion are as hot as how to transition to electric...Many automakers have shared details on their plans for an electric future. How does it stack up to public policy goals?
Published 2018.09.06: Blog Post

U.S. states and cities take responsibility on clean cars

The Trump administration has been busy rolling back dozens of environmental policies, and their latest move is a proposal to decimate the clean car standards. Unfortunately, not only do they want to...The Trump administration has proposed rolling back the 2025 efficiency and emissions standards. Taking the biggest centralized policy tool off the table has compelled states and cities to fight the...
Published 2018.08.21: Blog Post

On vehicle efficiency standards, it’s time for Canada to chart its own course

On Thursday, the U.S. Environmental Protection Agency (EPA) and National Highway Traffic and Safety Administration (NHTSA) released a joint Notice of Proposed Rulemaking for revised fuel efficiency...Now that the EPA and NHTSA proposal for revised fuel efficiency standards is out, the full extent of the roll back and the significant implications for Canada are clear
Published 2018.08.02: Blog Post

U.S. and Canada: On vehicle emissions compliance and enforcement, two feds are better than one

It’s hard to overstate the importance of the Volkswagen Dieselgate scandal in terms of raising international awareness around the critical importance of having robust provisions in place to monitor...As both U.S. and Canada work to improve their C&E programs, we applaud their team effort to tackle air quality challenges, encourage them to continue to strengthen this partnership, and hope to...
Published 2018.01.22: Blog Post

U.S. fuel economy trends reflect a business strategy, not a technology challenge

The Environmental Protection Agency recently released its 1975-2017 Fuel Economy Trends report and its 2016 Manufacturer Performance report. For the last year or two the auto manufacturers have been...The next time somebody cries crocodile tears about how sales trends show the automakers struggling to meet the fuel economy targets and falling behind despite their best efforts, tell them you want...
Published 2018.01.19: Blog Post

Will an electric charger be your next gas station?

Electric cars keep coming, and the major oil companies are taking notice. Exxon Mobil and BP estimate that we could see 100 million electric vehicles on the road by 2040. Some suggest electric cars...If your next car is going to be electric, where you might “fill up” is a good and practical question that has to be resolved. There is evidence to suggest that fast charging at least shows promise as...
Published 2018.01.08: Blog Post

Scott Pruitt’s EPA wants to resurrect the dirty diesel

Can’t get enough of zombie movies? Well, get ready for a real-life version. Scott Pruitt’s EPA is bringing the oldest and dirtiest diesel engines back from the dead—but disguising them in a shiny new...Additional NOx emissions from gliders under the Pruitt proposal would be 13 times what the impact of the Volkswagen fraud in the U.S. would have been had it gone undetected.
Published 2017.12.01: Blog Post

Glider industry petition in support of glider trucks debunks itself

It's not the most important or even the worst thing about the Pruitt EPA's proposal to reverse course on closing a loophole in the emissions regulations for heavy-duty vehicles that left "gliders"—...The summary of a "study" that the glider industry used to support its claim that EPA was wrong about how dirty gliders are is fingernails-on-a-chalkboard aggravating.
Published 2017.11.29: Blog Post

Boeing, GE, and ICCT makes three!

It’s been a dizzying couple of weeks for those (admittedly few) of us who work on aircraft emissions. Two weeks ago last Friday, the Center for Biological Diversity announced that it had sent the U.S...Next year, EPA has the chance to propose an ambitious GHG standard for aircraft to promote low carbon aviation. It alluded to the possibility of going further than the UN’s weak recommendations in...
Published 2017.10.02: Blog Post

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