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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

Why efficiency technology still matters in China

On September 5, 2018, six years after its retreat from the U.S. car market., the Suzuki Motor Corp. officially pulled out of China. As stated by Suzuki’s Chairman, the consumer shift in China towards...Until BEVs are able to meet the needs of mainstream vehicle market in China, manufacturers are continuing to develop advanced efficiency technologies for use in conventional vehicles. 
Published 2018.09.17: 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

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

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

Should Peru implement a fuel economy feebate system?

Peru has the fastest growing passenger car fleet in Latin America, thanks to the country's strong economic growth. From 2005 to 2015, annual sales of passenger cars increased more than 9 times, a 25...Peru is committed to the Global Fuel Economy Initiative “100 for 50 by 50” campaign, and the Peruvian government intent on reducing vehicle fuel consumption. That may open policy windows to...
Published 2018.01.19: Blog Post

Why (Run on) Less is more…

“Run on Less” is more than just a catchy slogan or fancy new report. What is Run on Less? It’s a first-of-its-kind event in which several trucking fleets are showcasing highly efficient tractor-...A first-of-its-kind event in which several trucking fleets are showcasing highly efficient tractor-trailers in real-world operations, to culminate at the North American Commercial Vehicle inaugural...
Published 2017.09.05: Blog Post

Are automakers beating the U.S. vehicle fuel economy standards? Yep, bigly.

Pretty much everybody prefers a vehicle with better fuel economy than worse, all else being equal. After all, who wants to waste money on fuel? And so automakers keep touting how their cars and even...Highlights that low-cost efficiency technology keeps entering the auto market, and automakers keep beating the efficiency standards. Luckily, there is every reason to believe we’ll continue to see...
Published 2016.11.02: Blog Post

Truck trailers in the U.S.: Leading from behind

So Tuesday was a really big deal for commercial trailers in the U.S. The U.S. Environment Protection Agency and the National Highway Traffic Safety Administration released the final rulemaking (FRM)...With the Phase 2 regulation, trailers in the U.S. become the first in the world to be regulated based on their impact on fuel efficiency and carbon emissions. 
Published 2016.08.18: Blog Post

Naughty or nice? Automakers and US efficiency standards

Well, it’s that time of year again! No, no, not the holidays. It’s that time of year when the U.S. EPA releases authoritative information on how the automakers are doing in meeting their carbon...Helping out old St. Nick, as he's making his list and checking it twice, with the new vehicle efficiency data in the EPA’s 2015 Trends and Manufacturer Performance reports.
Published 2015.12.17: Blog Post

China still lagging on fuel consumption in 2014

Following the timeline determined in the Corporate Average Fuel Consumption (CAFC) accounting rule, China's Ministry of Industry and Information Technology (MIIT) released its 2014 CAFC report in...With an average fuel consumption of 7.22 L/100km for the 2014 passenger vehicle fleet, will China be able to meet the national fuel consumption goal of 6.9 L/100km in 2015?
Published 2015.09.18: Blog Post

Vehicle emissions testing in the EU: Why we are still struggling with the dead hand of the past—and what the future is likely to bring

The Committee on Climate Change (CCC) was established in 2008 to advise the British government on emissions targets and report to Parliament on progress made in reducing greenhouse gas emissions and...Manufacturers effectively exploit loopholes in the vehicle CO2 emissions test procedure. The WLTP will help, but can't solve the problem entirely; we need in-use conformity and on-road testing in the...
Published 2015.09.09: Blog Post

Will new U.S. truck standards bring “SuperTrucks” to the market?

As we’ve indicated previously, there is a lot at stake with the proposed U.S. truck efficiency standards. This was made even more evident by the input from many stakeholders at the recent EPA and...Compared with the U.S. Deptarment of Energy SuperTruck demonstrations, just how “Super” are the proposed US tractor-trailer standards for model year 2027? Not very.
Published 2015.08.31: Blog Post

Why heavy-duty engine standards put India on the best path forward

Last week, my colleague Anup Bandivadekar and I held a webinar to discuss the heavy-duty truck and bus market in India and considerations for an upcoming regulatory program to improve the fuel...Efficiency standards for engines are the most advantageous regulatory design option for India to maximize near-term fuel savings and emission reduction benefits from new heavy-duty vehicles. Engine...
Published 2015.08.25: Blog Post

What do the new truck regulations mean for pickups?

With the Obama administration’s proposed truck efficiency rules, nearly everyone is focused on what they will mean for engines and tractor-trailers. We’re certainly guilty of that, with our technical...Sales of heavy pickups are over half of all the trucks covered by the new rules, and they account for 15%–20% of fuel use by U.S. trucks. The rules could have a large and widespread impact.
Published 2015.08.17: Blog Post

The ever-improving efficiency of the diesel engine

Rudolf Diesel in the 1880s said, “The automobile engine will come, and then I will consider my life's work complete.” He clearly knew how big a deal his invention was. But whatever judgment should be...A strong case can be made that the pending U.S. decision on HDV engines standards should push the technology envelope as hard as is feasible based on emerging efficiency technologies.
Published 2015.08.14: Blog Post

What is at stake in the U.S. truck efficiency rule

In the California Air Resources Board hearing on July 23, 2015, the Board received testimony from stakeholders on how the federal U.S. rulemaking on heavy-duty vehicle efficiency might change. One of...The proposed rule is expected to reduce GHG emissions 150 MMT/year by 2040, and cut oil use in the U.S. by over a 1M bbl/day. But how much further might it go?
Published 2015.08.12: Blog Post

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