scholarly journals Social Cost Benefit Analysis of Operating Compressed Biomethane (CBM) Transit Buses in Cities of Developing Nations: A Case Study

2019 ◽  
Vol 11 (15) ◽  
pp. 4190 ◽  
Author(s):  
Kavitha Shanmugam ◽  
Anju Baroth ◽  
Sachin Nande ◽  
Dalia M. M. Yacout ◽  
Mats Tysklind ◽  
...  

Cities in developing nations have to deal with two significant sustainability challenges amidst rampant urbanization. First, consumer-generated food waste is increasing monumentally since open dumping is still followed as a predominant practice, the negative environmental externalities associated with food waste disposal are growing beyond manageable proportions. Second, the dependency on conventional fuels like diesel to operate transit buses, which is one of the major causes for deteriorating urban air quality. A nexus established between food waste management and operation of transit buses can improve the sustainable performance of cities in developing nations. In this study, a Life Cycle Assessment (LCA) supported Social Cost-Benefit Analysis (SCBA) is performed by considering a hypothetical scenario of establishing a large food waste treating biomethanation plant in Mumbai, India. The food waste from the city is transported to a biomethanation plant where it is subjected to an anaerobic digestion (AD) process. The biogas produced as a byproduct is upgraded to compressed biomethane (CBM) and used as a vehicle fuel to operate transit buses within the city. The LCA results suggest that CBM buses can reduce greenhouse gas and particulate matter emissions by 60% compared to diesel or compressed natural gas (CNG) buses. Fossil depletion potential of CBM buses is 98% lower than diesel, suggesting CBM’s importance in decoupling developing nations dependency on imported crude oil. The SCBA considers: (a) costs to stakeholders, i.e., fees for open dumping of food waste and cost of fuel for operating transit buses; and (b) social costs incurred by negative environmental externalities (obtained by monetizing LCA results) resulting from both, open dumping as well as fuel combustion. SCBA results indicate that the food waste-based CBM model can save 6.86 billion Indian rupees (USD 99.4 million) annually for Mumbai. The savings are made due to a reduction in stakeholder’s costs (fuel) coupled with societal, i.e., environmental externality costs if entire transit bus fleet operates on CBM fuel instead of conventional fuel mix (33:67 diesel to CNG) currently used. Although the study is performed for Mumbai, the results will be replicable to any city of developing nations facing similar issues.

2009 ◽  
Vol 11 (02) ◽  
pp. 245-265 ◽  
Author(s):  
P. RAM BABU ◽  
NALLATHIGA RAMAKRISHNA

Cost-Benefit Analysis (CBA) has been serving as an important tool for decision making with regard to the development projects involving large investments. The Social Cost-Benefit Analysis (SCBA) is an extension of the CBA to certain social impacts, which hitherto were not measured. As the impacts of development projects on ecology and environment assumed importance, measuring the corresponding costs and benefits also began to assume significance. With the advancement in economic valuation techniques over time, measurement could be done and the framework of SCBA has been extended to incorporate the same. Moreover, unlike the CBAs, which do not account for the distributional aspects, the SCBA can potentially account for these. This paper presents a case study of extending the SCBA framework to include social and environmental impacts of a large water resource development project in India. It emphasises the distribution of project benefits and costs over stakeholders, spatial locations and time horizons so as to demonstrate the utility of extended SCBA in project decision making. It is observed that both the numeraire measure i.e. cost-benefit ratio, as well as the distributional analysis present a favourable case for the project.


2017 ◽  
Vol 33 (S1) ◽  
pp. 75-76
Author(s):  
Paul van Gils ◽  
Eelco Over ◽  
Anita Suijkerbuijk ◽  
Joran Lokkerbol ◽  
Ardine de Wit

INTRODUCTION:Due to their chronic nature and high prevalence, alcohol and cannabis addiction leads to a significant (disease) burden and high costs, both for those involved and for society. The latter includes effects on health care, quality of life, employment, criminality, education, social security, violence in the public and private domain, and traffic accidents. In the Netherlands, a considerable number of people with an alcohol or cannabis addiction currently do not receive addiction care. Cognitive Behavioral Therapy (CBT) is effective as a treatment for both alcohol and cannabis addiction and is widely used in specialized addiction care centers. This social cost-benefit analysis (SCBA) models costs and benefits of increasing the uptake of CBT for persons with an alcohol addiction and for adolescents with a cannabis addiction, taking into account a wide range of social costs and effects (1).METHODS:The method follows general Dutch guidance for performing SCBA. A literature search was conducted to evaluate efficacy of CBT for alcohol and cannabis dependence. In addition, the social costs of alcohol and cannabis addiction for society were mapped, and the costs of enhancing the uptake of CBT were explored. Costs and benefits of increased uptake of CBT for different social domains were modeled for a ten year period, and compared with current (unchanged) uptake during this period. Compliance problems (about 50 percent of clients do not finish CBT) and fall-back to addiction behavior (decrease of effects of CBT over time) were taken into account in model estimations.RESULTS:Per client treated with CBT, the estimated benefits to society are EUR10,000-14,000 and EUR9,700-13,000, for alcohol and cannabis addiction, respectively. These benefits result from reduced morbidity and mortality, improved quality of life, higher productivity, fewer traffic accidents, and fewer criminal activities.CONCLUSIONS:This SCBA shows that not only treated clients but also society will benefit from an increase in people treated with CBT in specialized addiction care centers.


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