Articles with "ramp grade" as a keyword



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Observed Characteristics and Modeled Emissions of Transit Buses on Ramps

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Published in 2020 at "Sustainability"

DOI: 10.3390/su12072770

Abstract: On-ramps and off-ramps that serve as connections between high-speed facilities and arterials are potential hotspots for vehicle emissions. The engine load associated with grade and acceleration on uphill ramps can lead to significant emissions of… read more here.

Keywords: observed characteristics; ramp; emission rates; ramp grade ... See more keywords