An Evaluation of Energy Conservation Measures Utilized by Public Transit Systems

An Evaluation of Energy Conservation Measures Utilized by Public Transit Systems

Author: Shirley J. Seaborn

Publisher:

Published: 1995

Total Pages: 92

ISBN-13:

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The primary focus of this study was to emphasize transit system energy characteristics by examining the vehicle characteristics, right-of-way characteristics and the operational aspects of the services. The objectives of this study were to become familiar with types of energy expended by local transit systems, understand the characteristics and side effects of the energy types, become familiar with vehicle and right-of-way characteristics, analyze the operational aspects to the systems, and develop an energy consumption model to determine the variance in energy consumption. The project has several phases which, to some extent, may be performed concurrently including planning, instrument development and calibration, and data base development. The project also includes the creation of energy consumption models that can be used to predict the energy needs and consumption levels of transit systems. Independent variables were identified from other studies on energy consumption/conservation and selected urban transportation agencies were surveyed.


Environmental and Energy Efficiency Evaluation Based on Data Envelopment Analysis (DEA)

Environmental and Energy Efficiency Evaluation Based on Data Envelopment Analysis (DEA)

Author: Ramon Sala-Garrido

Publisher: MDPI

Published: 2021-05-06

Total Pages: 104

ISBN-13: 3036505725

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Efficiency and productivity assessment are essential to ensure the long-term financial sustainability of countries, services and processes. In the last few years, there has been an increasing interest in the environmental effects of economic activities, and the need to assess the environmental and energy efficiency has been internationally recognized. Energy and environmental efficiency assessments of decision-making units (DMUs), such as countries, utilities, processes and services are relevant and have strong implications for companies, regulators, stakeholders, policy makers, and customers. To improve both the decision-making process and the management of DMUs, fundamental and practical knowledge about energy and environmental efficiency and productivity is essential