Explores real-world NOx emissions relative to test-cycle performance.
Summarizes manufacturing costs of technologies used to meet standards
Current non-road regulatory programs lag behind those for on-road diesel engines
Summarizes issues with the luxury cruise ship's voyage through the NW passage

Recently Released

Status of policies for clean vehicles and fuels in select G20 countries
Reveals that the efforts made by multiple Transport Task Group (TTG) countries to promote and support policies and programs—including stringent tailpipe emissions standards, fuel economy standards, low sulfur fuels, and green...
Cost–benefit analysis of early implementation of the China 6 light-duty vehicle emission standard in Guangdong Province
Reviews the costs and benefits that would result from implementing the China 6 light-duty vehicle emission standard in Guangdong Province with a recommended timeline earlier than the national plan (2023). The authors conclude...
Working paper
Certification of CO2 emissions and fuel consumption of on-road heavy-duty vehicles in the European Union
Summarizes provisions of the implementing act adopted in May 2017 by the European Union for  type-approval of CO2 emissions and fuel consumption of on-road heavy-duty vehicles, which will go into effect in 2019 and 2020.
Policy update

From the ICCT Blogs

Maximizing aircraft fuel efficiency: Don’t skimp on R&D
An interview with Dr. Fay Collier, Associate Director for Flight Strategy, Integrated Aviation Systems Program at NASA Aeronautics and a former Project Manager at NASA Environmentally Responsible Aviation (ERA), on NASA’s contribution to technologies already in use on aircraft flying now, the ERA project, and a new NASA initiative to demonstrate these environmentally responsible aviation technologies. 
Staff Blog
New energy efficiency target for cars could help Brazil compete in international markets
Aligning Brazil's new-car efficiency target with the European Union’s target would have substantial benefits for consumers. Compared to a car meeting Inovar-Auto's 2017 target, the average new car sold in 2023 could reduce fuel costs more than 4,000 USD over the lifetime of the vehicle, equivalent to 2.4 times the cost of additional vehicle technology.
Staff Blog
Maximizing aircraft fuel efficiency: Engines matter
A conversation with Dr. Meyer (Mike) J. Benzakein on the importance of developing fuel efficient engines.
Staff Blog