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Abstract: Lean and green production was introduced to the western manufacturing industry nearly thirty years ago. The essence of the new business model was to eliminate waste through lean tools according to Taiichi Ohno's eight categories of waste. Many companies became more competitive with waste reduction techniques but some of them faced, and still are facing failures. Such failures are closely related with misapplication of lean and green tools, and its sequential order of implementation. In order to define most powerful lean tools for reduction of certain types of waste, a study was made among lean companies. The concept of a study was to define best lean toolbox for reduction of each category of waste and to determine right sequential order of lean tools implementation. Stepwise multiple regression model revealed that Total Productive Maintenance, Poka-Yoke, Kaizen, 5S, Kanban, Six Big Losses, Heijunka, Takt Time, Andon, OEE, SMED, and KPIs are best waste management techniques. Nevertheless, it has been demonstrated that 5S, Kaizen, Kanban, Poka-Yoke and TPM are highly recommended for start of every lean manufacturing initiative.
Keywords: green production, lean manufacturing, lean tools, waste reduction, waste management
Published in DKUM: 13.01.2026; Views: 0; Downloads: 1
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Abstract: The higher education textbook *"Digital Transformation in Logistics and Supply Chain Management"* is a comprehensive guide aimed at supporting digitization and digital approaches in logistics. It focuses on process digitalization, the use of tools far digital data processing and simulations, autonomous vehicles, machine learning in logistics processes, and cybersecurity. This interdisciplinary approach combines knowledge from various fields-computer science, information technology, mechatronics, machine learning, simulation methods, and business decision-making, providing a thorough understanding of digital logistics challenges and the application of practical knowledge to areas beyond logistics and supply chains. Readers are equipped with practical knowledge and skills to improve the efficiency and transparency of individual processes. The textbook covers topics such as: 1) Process Digitization - Planning; 2) Process Digitization - Execution; 3) Business lnformation Systems; 4) Simulations and Digital Twins; 5) Autonomous Vehicles in Logistics; and 6) lnformation Security. The entire content is focused on strengthening digital competencies essential for effectively managing modem logistics companies and building resilient supply chains.
Keywords: autonomous vehicle, digitalization, interdisciplinary knowledge, digital logistics, green and digital transition, cyber security
Published in DKUM: 05.01.2026; Views: 0; Downloads: 1
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Abstract: In 2024, approximately fifty percent of the total kilometersdriven by passenger vehicles in Slovenia were attributed to diesel-powered automobiles, underscoring the persistent dependence of the transportation sector on fossil fuels, which are major contributors to greenhouse gas emissions and global warming. Research further substantiates that the transportation sector constitutes the nation's predominant source of greenhouse gas emissions. In this context, e-mobility emerges as a key strategy for Slovenia’s green transition in transportation. Additionally, biomassgasification represents a sustainable and environmentally friendly energy pathway that could support the country in achieving its environmental targets, while promoting the principles of the circular economy.
Keywords: green transition, renewable energy, forest biomass, biomass gasification, e-mobility
Published in DKUM: 29.09.2025; Views: 0; Downloads: 3
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Abstract: With the growing concentration of populations in urban centres, ensuring resilient and sustainable food systems has become a critical priority. Disruptions in food supply chains, particularly in small cities with limited logistical flexibility, can severely compromise food availability. In response, the utilisation of urban green spaces for food production has been increasingly recognised as a viable strategy to enhance local self-sufficiency while contributing to broader environmental goals. This study evaluated the potential for integrating urban orchards, berry bushes, and apiaries within the public green spaces of Maribor, a small Slovenian city with a total area of 40 km². Emphasis was placed on publicly owned or publicly accessible land—including municipal holdings, stateowned plots, and land managed by public companies—that remains underutilised yet suitable for edible landscaping. Using spatial analysis conducted through QGis, available green space was quantified and assessed for suitability in supporting fruit trees, edible shrubs, and beekeeping installations. Estimates were then derived for the number of fruit and berry seedlings that could be planted, the volume of potential fruit and honey yields, and the corresponding contribution to carbon dioxide reduction through enhanced urban vegetation and decreased food transport dependency. The results indicate that even fragmented and seemingly marginal green areas possess significant aggregate potential for improving local food resilience, fostering community engagement, and delivering measurable carbon mitigation benefits. Furthermore, urban food forests and community orchards were identified as multifunctional landscape interventions that not only enhance food security but also improve urban biodiversity, air quality, and residents’ mental well-being. These findings align with the European Union’s objectives for urban ecosystem efficiency and carbon neutrality by 2050 and underscore the importance of integrating edible green infrastructure into urban planning frameworks. The study contributes to the growing body of evidence supporting the role of decentralised, nature-based solutions in urban sustainability transitions.
Keywords: urban green infrastructure, urban orchards, edible landscaping, community food forests, local food resilience, urban apiaries, GIS-based spatial analysis
Published in DKUM: 13.08.2025; Views: 0; Downloads: 9
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Abstract: In this paper, we explore the extent to which individualistic and collectivist national cultural orientations are essential for green innovation. In this context, we also examine the extent of green innovation in countries at different levels of socioeconomic development. All data were collected for the latest available year (2020). This research was carried out on a sample of 60 selected countries, using parametric tests to identify statistically significant differences between variables and descriptive statistics to examine statistically significant differences in-depth. The results show that, on average, countries with prevailing individualistic cultural orientations and high levels of socioeconomic development perform better in green innovation than countries with prevailing collectivist cultural orientations. On average, countries with a prevailing individualistic cultural orientation scored moderate on green innovation, while countries with a prevailing collectivist orientation scored low. However, the level of socioeconomic development, including designing and implementing green policies, was recognized as essential to green innovation in both national cultures with prevailing individualistic orientations and national cultures with prevailing collectivist orientations.
Keywords: green innovation, national culture, individualism, collectivism, parametric statistics, descriptive statistics
Published in DKUM: 02.07.2025; Views: 0; Downloads: 3
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