July 2021
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Jurnal Presipitasi Media Komunikasi dan Pengembangan Teknik Lingkungan
In Indonesia, the transportation sector, specifically road transport, consumed the most energy compared to other sectors. Eventually, the energy consumption will increase due to the growth of vehicle numbers that also escalate emissions. Vehicle emissions had been recognized as a significant contributor to atmospheric greenhouse gas (GHG) pollution. Heavy-duty vehicles are considered as primary sources of vehicular emissions in most cities. Therefore, it is crucial to consider heavy-duty vehicle emission projections to support policymakers in identifying vehicle emissions and developing pollution control strategies. This study aims to forecast heavy-duty vehicle population, and vehicle kilometers traveled (VKT), fuel consumption, and heavy-duty vehicle emissions using data of Semarang City to illustrate greenhouse gas emissions of big cities in Indonesia. Business as Usual (BAU) and The Intergovernmental Panel on Climate Change (IPCC) method were incorporated to determine vehicle emission projection. Heavy-duty vehicle emissions increase from 2021 to 2030 by 12,317 to 22,865 Gg CO2/year with amount trucks and buses emissions of 21,981.5 Gg CO2/year and 884.2 Gg CO2/year, respectively.