The bioeconomy aims at decreasing reliance on fossil fuels, preventing or reducing climate change, eliminating insecurity, and efficiently using resources; however, fierce controversy exists on conceivable pathways to accomplish these objectives. The transport sector alone, which encompasses all other industrial sectors, has grown with regard to its energy demand by 50% over the past 30 years. The aim of this paper is to promote a dialogue as to whether an economy based on biomass can be more sustainable than today’s existing economies, considering that the economy needs to expand and be boosted, while creating a cascading and recycling system. This semi-systematic review paper discusses four research questions based on findings from the last 20 years: (i) What are the crucial issues in the ongoing debate on the development of a sustainable bioeconomy concept? (ii) Where are the major conflicting points and focuses? (iii) How does the bioeconomy follow current urbanization and land-abandonment trends? (iv) How will the crisis linked to the COVID-19 pandemic change these previous scenarios? As it is not easy to currently predict which pathway will be the most effective, whether it be the one taken as of now or a specific novel pathway, this article recommends following a strategy that is diverse regarding its approaches to shaping the bioeconomy and further funding of renewable energy sources, along with the involvement of urban planning. In addition, conclusions are validated through a questionnaire completed by 51 experts in the field.
The paper presents a model of risk analysis of dumper operation with the aim of determining the most common reason for unplanned stoppages, as well as, after classifying stoppages by system, to evaluate them from the aspect of risk. The set criteria for risk analysis are: time spent in downtime, frequency of downtime and level of danger. The results of the research indicated the causes of high risk on the observed machines, on the basis of which priority preventive maintenance measures can be refined in order to reduce risk. Furthermore, in the research on risk prevention of the operation of transport and mining machines, the online contextual and adaptive expert system HAMRISK was developed and the advantages and disadvantages of the developed software solution were examined in practice.
Till now a framework to define a common and unified standard model for integrated risk management systems, which is suitable to be used in all contingency factors settings, has not been found. For this reason, as the main objective of applying the standards of management systems in the organizations is to determine the risk that affects the ability of the organization to achieve its goals and desired results in addition to organizing and coordinating all operations and the optimal use of resources, the purpose is to develop an integrated risk management model for standardized management systems with growing trends such as ISO 9001:2015, ISO 14001:2015, ISO/IEC 27001:2013, ISO 45001:2018 and ISO 22000:2018 with the aim to allow organizations to manage their operations and risks appearing in a manner that reduces the use of available resources and improves the overall performance. Novel risk management integrated model in standardized management systems has three levels - correspondence, coordination and integration and putting in place a clear and structured approach to control of organizational risk. Proposed model has been checked empirically to survey contextual independence of proposed model using Mann-Whitney U*test and it has been proved that the model is context free and applicable to companies from different sectors - both in production and service companies.
Quality improvement implies the application of quality tools, techniques, methodologies and applications. Through their proper use, the desired level of quality can be achieved and then continuously improved. Kaizen implementation could be of particular significance. This paper covers a survey done at a large multinational company supply chain (sample size 200 companies) and analyses the application of Kaizen and contextual and performance variables using correlation analyses. Survey results showed that the implementation of Kaizen in the company increases performance indicators, especially in the area of quality. Also, Kaizen application is positively correlated to variables such as organizational goals and objectives, the level of formalization, reward system, conflict management and progress and development of employees.
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