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Exhaust Emissions of Transit Buses


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EMBARQ’s Sustainable Urban Transportation Fuels and Vehicles (SUTFV) program aims to take an unbiased approach to analyzing the impacts of different fuels and technologies for bus transit fleets. The program jointly addresses lifecycle costs and emissions of transit buses and is targeted to provide context-specific recommendations for cities in India, Mexico, and Brazil—countries in which EMBARQ works. This report, the first in the SUTFV program, compiles a large data set of in-use transit bus emissions tests for use in a meta-analysis to define ranges of exhaust emissions for fuel and technology combinations. The analysis looks at both local and global emissions to understand their impact on human health and the environment.

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