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Heavy-duty vehicles in China: Cost-effectiveness of fuel-efficiency and CO2 reduction technologies for long‑haul tractor‑trailers in the 2025–2030 timeframe

China is considering options for increasing fuel efficiency and reduce CO2 emissions from freight transportation. This study assesses the future costs of existing and emerging technologies to reduce...
Published 2019.03.12: Publication

Second-phase fuel economy standards for on-road heavy-duty vehicles in Japan

Japan’s Ministry of Land, Infrastructure, and Transportation finalized new fuel economy standards for new on-road heavy-duty vehicles as part of the government’s ongoing effort to reduce the country’...
Published 2019.01.28: Publication

Modernizing vehicle regulations for electrification

This briefing summarizes existing practices and develops design principles related to adapting vehicle efficiency and CO2 standards in the 2020–2030 time frame to enable a long-term transition to...
Published 2018.10.21: Publication

Compliance with India’s first fuel-consumption standards for new passenger cars (FY 2017–2018)

This briefing evaluates the compliance of manufacturer groups in India with fiscal year (FY) 2017–2018 fuel consumption standards and their readiness to meet more stringent requirements taking effect...
Published 2018.09.25: Publication

Cost-benefit assessment of the China VI emission standard for new heavy-duty vehicles

The China VI standard is among the world’s most stringent HDV emission standards and combines best practices from both European and U.S. regulations. It will be a key pathway to clean up diesel...
Published 2018.09.11: Publication

China’s Stage VI emissions standard for heavy-duty vehicles (final rule)

On June 28, 2018, the Ministry of Ecology and Environment (MEE) of the People’s Republic of China released the final rule for the China VI emission standard for heavy-duty vehicles. The China VI...
Published 2018.07.20: Publication

Reviving supersonic flight would likely have significant harmful environmental consequences, new analysis shows

New supersonic aircraft could burn 5 to 7 times more fuel than standard aircraft and exceed CO2 emission limits by 70% The re-introduction of supersonic transport aircraft (SST) into commercial...
Published 2018.07.17: News

Costs of emission reduction technologies for diesel engines used in non-road vehicles and equipment

Diesel engines used to power non-road equipment and vehicles, such as agricultural tractors and construction equipment, are a significant source of air pollutant emissions. Several regions around the...
Published 2018.07.11: Publication

China VI: A milestone for the world’s transition to soot-free vehicles

On June 28, China officially released the China VI emission standard for new heavy-duty vehicles, which is equivalent to, or in some aspects even more stringent, than the Euro VI emission standard....On June 28, China officially released the China VI emission standard for new heavy-duty vehicles. If effectively implemented, it will transition all new heavy-duty vehicles in China to soot-free...
Published 2018.07.03: Blog Post

Status of policies for clean vehicles and fuels in select G20 countries

Realizing the immense opportunity to promote energy efficiency in their economies, G20 economies adopted an Energy Efficiency Action Plan that identified six focus areas for collaborative activity,...
Published 2017.08.15: Publication

Impacts of world class vehicle efficiency and emissions regulations in select G20 countries

In 2014, the G20 Energy Efficiency Action Plan prioritized the establishment of a Transport Task Group (TTG) to promote cooperation among participating G20 countries to develop domestic policies that...
Published 2017.01.25: Publication

Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations

The transport sector consumes more than half of global oil production, and releases nearly a quarter of all anthropogenic carbon dioxide emissions. Motor vehicles and engines contribute to ambient...
Published 2015.06.08: Publication

Planes by the pound in a carbon-constrained world

One of the more interesting phrases we’ve come across in aviation is selling “planes by the pound,” which is one way to think of Boeing’s and Airbus’s differing approaches for selling widebody...A pricing strategy Airbus is using to compete with Boeing in the high-passenger-capacity, short-distance market in Asia could pose a problem for ICAO’s CO2 standard for new aircraft.
Published 2013.09.03: Blog Post

Transportation efficiency in 2030

Transportation of people and goods currently contributes about a quarter of the world’s greenhouse gas emissions, and this share is growing. Unprecedented income and population growth in the...Modeling different transportation scenarios shows interesting trends in GHG emissions from transport through 2030 given the  "policy pipeline” in the world's largest vehicle markets.
Published 2012.04.27: Blog Post

Inertia classes proposal

Historically the weight of a vehicle was represented by hanging rotating inertia mass on a dynamometer. This approach required the use of discrete inertia classes and an upper limit for inertia mass...
Published 2011.06.17: Publication

Inertia classes in worldwide harmonized light vehicle test procedure (WLTP) development

The definition of vehicle weight used for testing procedures is an important decision when drafting the regulation on determining emission values under the WLTP. Currently, different inertia class...
Published 2011.05.18: Publication