Abstract
This study aims at constructing a methodology for evaluating transport modes in terms of CO2 emission and performance (e.g., speed, comfort, safety). The proposed indicator is “eco-efficiency”—the ratio of performance life-cycle CO2 emission. The various performance factors of modes of transport are measured and integrated into a unit of travel speed. Four public transport modes (i.e., railway, subway, light rail transit (LRT), and bus rapid transit (BRT)) and 16 types of private vehicles are analyzed in selected transport scenes and traffic situations. The results indicate that life-cycle CO2 emission from passenger cars is greater than that from public transport. However, the eco-efficiency of passenger cars exceeds that of public transport taking into account amenities and occupancy in lower volume traffic and leisurely use.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
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