CO2 emissions per passenger-kilometer from subway systems: Application in the Rio de Janeiro Subway
Author(s) : CARLOS EDUARDO SANCHES DE ANDRADE, ILTON CURTY LEAL JUNIOR, MARCIO DE ALMEIDA D’AGOSTO, VANESSA DE A. GUIMARAES
Abstract
The transport sector is responsible for a significant portion of global emissions of carbon dioxide - CO2. The measurement of such emissions, when held in grams of CO2 per passenger-kilometer, enables more significant results, considering the passenger load. This work aims to analyze CO2 emissions per passenger-kilometer from subway systems, comparing those results with buses and private cars, establishing a methodology for calculating these emissions. The methodology was applied to Rio de Janeiro Subway in Brazil.
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