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arXiv · 2411.15352

Impact of consumer preferences on decarbonization of transport sector in India

Nandita Saraf·Yogendra Shastri
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Abstract

Decarbonization of transport sector through adoption of cleaner vehicle options will depend on the environmental awareness of consumers and their priorities. This work develops and uses a system dynamics approach to understand possible adoption pathways of novel vehicle options, i.e., ethanol-blended fuel (E85), electric, and compressed natural gas (CNG) vehicles in India. A system dynamics model using a multi-nominal logit model to capture consumer choices has been previously developed for the private road transport sector of India. The model has been modified to also include annual vehicular emissions as a decisionmaking attribute in addition to the annual cost. Four different classes of consumers with different priorities to cost and annual emissions are modeled. The model coefficients are identified using historical data. Model simulations over a period of 30 years till 2050 are performed to determine possible vehicle adoption trends. Different scenarios of changing environmental awareness, policy interventions, and technology development were analyzed to achieve targets such as COP26 greenhouse gas emission reduction, ethanol blending, and EV adoption. Simulation results showed that an increase in environmental awareness resulted in the adoption of novel vehicle options by 67.42% and 22.3% of the car and two-wheeler stocks, respectively. However, rising environmental awareness was not enough to meet the target values. Scenario analysis showed that a greater share of renewables in the electricity grid, carbon tax on transport fuel, and reduced vehicle driving together can possibly achieve the GHG emissions target in 2030. Battery-related GHG emissions were shown to be very important and led to counter-intuitive trends in EV adoption. 30% EV sales by 2030 could be achieved with a greener electricity grid and carbon tax.

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Nandita Saraf, Yogendra Shastri. 2024-11-22. Impact of consumer preferences on decarbonization of transport sector in India. https://arxiv.org/abs/2411.15352

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