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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

Comments on the Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years 2021-2026 Passenger Cars and Light Trucks

On August 2nd, 2018 the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a notice of proposed...
Published 2018.10.26: News

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

Fuel-efficiency technology trend assessment for LDVs in China: Summary of working paper series

An overview of the efficiency technologies shows that the potential for reducing vehicle fuel consumption by adopting advanced technologies is great. We group the technologies into three categories...
Published 2018.09.17: Publication

Fuel-efficiency technology trend assessment for LDVs in China: Hybrids and electrification

This working paper assesses technology progress and new developments in hybrid and electric vehicles in China. Joint ventures, especially with Japanese automakers, dominate China’s hybrid electric...
Published 2018.09.17: Publication

Fuel-efficiency technology trend assessment for LDVs in China: Thermal management technology

This working paper assesses progress and new developments in thermal management technologies in China. A variety of mature technologies are associated with vehicle thermal efficiency and have on-...
Published 2018.09.17: Publication

Fuel-efficiency technology trend assessment for LDVs in China: Vehicle technology

This working paper assesses technology progress and new developments in vehicle technologies, including lightweighting, active aerodynamics, and low rolling resistance tires in China. In general,...
Published 2018.09.17: Publication

Fuel-efficiency technology trend assessment for LDVs in China: Transmission technology

This working paper assesses technology progress and new developments in transmissions in China. The conventional automatic transmission is the most popular non-manual transmission technology in...
Published 2018.09.17: Publication

Fuel-efficiency technology trend assessment for LDVs in China: Advanced engine technology

This working paper assesses technology progress and new developments in internal combustion engines in China. Among commercialized advanced engine technologies in China, variable valve taming/lift,...
Published 2018.09.17: Publication

Carbon intensity gap surged to a new high of 63% for transatlantic carriers in 2017

Updated study shows fuel efficiency improving an average of 1% per year since 2014, less than industry goal. A study released today by the International Council on Clean Transportation (ICCT)found...
Published 2018.09.11: News

Transatlantic airline fuel efficiency ranking, 2017

This report compares the fuel efficiency of 20 airlines operating nonstop flights between the mainland United States and Europe. It uses the same methodology as in the 2016 transpacific fuel...
Published 2018.09.11: Publication

States and cities seeking to maintain clean car standards

On August 2nd, 2018 the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a notice of proposed...
Published 2018.08.21: Publication

ACEEE 2018 International Symposium on Energy Efficiency

The American Council for an Energy-Efficient Economy convened a one-day symposium to highlight international energy efficiency best practices, with a particular focus on opportunities for improvement...
Published 2018.08.13: Event

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

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

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

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