An ELV is a vehicle that has reached the end of its service life or service due to age or because it is unable to be used due to a catastrophic accident and high repair costs. The current methods of destroying ELV vehicles are unregistered, disassembly, destruction, and disassembly. Each procedure must adhere to predetermined guidelines. The purpose of this study is to conduct a survey of dietary knowledge about end-of-life vehicles (ELVs) in Indonesia. As a result, the purpose of this research is to learn about ELV laws and their implementation in countries that have done so successfully, as well as to learn about public perception of ELV application in Indonesia. A literature search of ELV laws in neighboring countries was conducted, as well as a survey of 98 respondents in Jakarta, Bogor, Depok, Tangerang, and Bekasi. SPSS was used to analyze the survey results. The questions in this study were divided into four sections: respondents' backgrounds; knowledge of ELV; concerns about ELV; and ELV campaigns. The findings revealed that public awareness of the use of ELV was quite low. In general, it can be concluded that the application of ELV in Indonesia needs to be carefully studied before it is implemented in order for it to be accepted by the public. Additionally, more ELV-related campaigns are required to increase the knowledge and awareness of the Indonesian people.

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The growth of Indonesia’s automotive sector has increased the number of end-of-life vehicles (ELVs), making ELV waste management a major issue. Most countries, such as Japan, China, and Europe, manage ELV waste well, but developing countries still do not. In developing countries, little is known about ELV social admissions. This study analyzes ELV management social acceptance in developing countries. Three hundred nine respondents from Jakarta, Bogor, Depok, Tangerang, and Bekasi (the district in Indonesia) were surveyed in a cross-sectional. A set of questions was designed to determine social acceptance (attitude, knowledge, social influence, institutional trust, health issues, and acceptance). After passing validity and reliability tests, the hypothesized research model was estimated using structural equitation. According to this study, social influence, attitude, knowledge, institutional trust, and health issues influenced public acceptance. The health issues variable was also a good moderator (Adj. R2 = 0.173, p < 0.001, average path coefficient = 0.299). The analysis of social acceptance models related to ELV management found that social influence, attitude, knowledge, and institutional trust play a role in one’s desire to accept a new rule, and health issues can strengthen a person in the admission process.

In this study, biodiesel fuel with a ratio of 20% volume (B20) was used on vehicles that are used in common rail injection systems, complying with Euro2 emission regulations. Laboratory and road tests were conducted to evaluate the effects of B20 on performance, emissions and engine components. Using diesel fuel and B20 as reference fuels, tests were conducted using Euro2 vehicle technology to investigate the effects on emissions, fuel consumption, and power. Durability testing was run for travel distances covering 40,000 km under various road and environmental conditions, while vehicle performance and emissions tests were conducted using the ECE R84-03 and ECE R101 test methods, respectively. The results show that B20 has lower CO and hydrocarbon (HC) emissions for every distance travelled, with an average of around 30%. Particulate emission was a bit lower, averaging 3.4% for B20 compared to B0, while NOx was found to slightly increase at around 2% for B20. Due to its lower calorific value, for an average distance traveled, the fuel economy of B20 was around 0.5% higher compared to B0. Furthermore, the maximum power of B20 was 3% lower compared to that of B0 for the entire distance traveled. However, an evaluation of engine components after 40,000 km showed that B20 and B0 were similar. Moreover, vehicles using B20 tend to have a comparable durability of engine components when compared with B0.

This research was conducted to analyze the model of transportation mode selection between aircraft and high speed train of Jakarta-Surabaya route as an empirical case study, assuming the construction of high speed train infrastructure has been completed and ready to operate connecting Jakarta-Surabaya. In this research we offer two independent variables i.e. travel time and fare incurred. The collected data is obtained by spreading the questionnaire to respondents as the user plane destination Jakarta-Surabaya using stated preference and binomial logit model. We found that with the operation of Jakarta-Surabaya high speed train has a negative impact on air transport demand especially for passengers' aircraft. In addition, indicates the level income of the person, the higher also the use of the modes with the fastest travel time without taking into account the cost of the trip must be issued.