149 Jurnal Teknik Industri, Vol. 23, No. 2, December 2021 DOI: 10.9744/jti.23.2.149-160 ISSN 1411-2485 print / ISSN 2087-7439 online Tacit Knowledge and Product Information about the Environmental Impact towards the Purchase Intention of Electric Motorcycles Agung Esti Pramajaya 1* , Jony Oktavian Haryanto 1 Abstract : In recent years, Indonesia has started to adopt electric motorcycles (EMCs), but until 2019 the market share of electric vehicles (EVs) was only around 0.05%. This figure is far from the target set by the Ministry of Industry of a 20% market share in 2025. This quantitative research was conducted to get a novel picture of what potential customers think about EMC products. The proposed model used structural equation modelling with SmartPLS-3 over 300 respondents. The research found that detailed product information positively and significantly influences consumer attitudes toward adopting EMCs. Tacit knowledge also positively and significantly influences consumer attitudes toward the environment. Furthermore, tacit knowledge directly affects the purchase intention of EMCs with a significant and positive value. As the mediating variable, consumer attitudes towards the environment have no mediation effect toward purchase intention. These findings are expected to increase the public’s knowledge and awareness of t he environmental impact in determining which EMC products are more environmentally friendly than others. Here, environmentally friendly means the absence of direct emissions on vehicle exhaust and the total direct and indirect emissions. Keywords: Electric motorcycles (EMCs), electric vehicles (EVs), consumer behavior, tacit knowledge, attitude towards the environment, product information, purchase intention. Introduction Indonesia has the most extensive motorcycle market among ASEAN countries. It has immense potential to develop electric motorcycles [1]. Many producers in various countries strive to obtain this market share through their marketing mix strategy. Besides price, place, and promotion, the technology utilized in the product is undoubtedly a differentiation. Consumers must know this technology to impact the environment from its lower total emissions produced. Various qualities of electric motorcycle products also have the opportunity to enter the market. Electrical motorcycle products with lower efficiency will impact the emergence of more significant environmental pollu- tion. This condition will only shift the problem of pollution from cities to rural areas where power plants are located. The environmental impact is the pollution that is directly and indirectly emitted by electric motorcycles. Direct emissions come up through the exhaust from the burning process of fuel through the engine combustion process like what conventional engines do. An indirect emission is generated from power plants where the electricity is used to charge the electric motorcycle batteries [2]. 1 Faculty of Business, Graduate School in Management Technology, President University, Jebabeka Education Park Jl. Ki Hajar Dewan- tara, RT.2/RW/4, Mekarmukti, North Cikarang, Bekasi, West Java 17530 Indonesia. Email: ae.pramajaya@gmail.com jony.haryanto@president.ac.id *Corresponding author The distinguishing characteristic of electric motor- cycles that needs to be investigated is the highest- selling motorcycles in the Indonesian market. The scooter motorcycle is the most popular one in Indo- nesia, with a market share of almost 80% [1]. This product can potentially be disrupted by electric motorcycles (EMCs). Problem Statement The adoption of electric motorcycles in Indonesia is different from that already done in developed countries. In developed countries, power plants used to charge electric vehicle batteries come from renew- able energy and even nuclear energy. Therefore, there is reduced pollution from burning fuel oil in vehicles turned into environmentally friendly energy combus- tion from power plants for electric vehicles [3]. While in Indonesia, power plants still use fossil fuel energy such as coal and petroleum. Although the electric motorcycles to be sold have low efficiency with lower prices, they can cause more pollution than the present situation. As responsible consumers, this information needs to be considered in choosing an EMC product. By being aware and having good ethics, consumers will encourage a civilized society that measures developed countries. Indonesian Presidential Regulation number 55 of 2019 initiated the Electric Vehicle Acceleration Pro- gram. From this new regulation, the prices of electric cars are expected to be more affordable. Thus, sales