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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

A global snapshot of the air pollution-related health impacts of transportation sector emissions in 2010 and 2015

Exhaust from vehicles is a major source of outdoor air pollution worldwide. This study links state-of-the-art vehicle emissions, air pollution, and epidemiological models to estimate the impacts of...
Published 2019.02.26: Publication

The continued transition to electric vehicles in U.S. cities

This paper analyzes electric vehicle market development in the U.S. and the actions that are driving it. The report catalogues forty unique city, state, and utility electric vehicle promotion actions...
Published 2018.07.24: Publication

Low-carbon technology pathways for soot-free urban bus fleets in 20 megacities

Urban transit bus fleets are a significant source of air pollutant emissions, including black carbon, a harmful ultrafine particle and potent short-lived climate pollutant. Transit bus fleets are...
Published 2017.08.31: Publication

Managing emissions from non-road vehicles

Non-road vehicles, mainly agricultural and construction equipment, are a key source of pollution in many countries and regions: In the United States, they account for almost three quarters of the...
Published 2017.04.24: Publication

Technology pathways for diesel engines used in non-road vehicles and equipment

Internal combustion engines are ubiquitous in today’s society. Applications for these engines cover a broad spectrum, ranging from vehicles that transport passengers and move goods to specialized...
Published 2016.09.16: Publication