ECO test is a quick, simple, workshop check of the available exhaust gas values that tells us the condition of the engine, whether the combustion in it takes place in the correct way, how it is adjusted and in what condition are the individual parts installed on the engine that are used for purification or exhaust gas regulation. Based on the resul...

By Božidar Konjevod, mario Šakić

A company is only as competitive as it is ready to respond quickly and originally to change. We are increasingly witnessing that companies in modern operations face new challenges to which they must respond dynamically and creatively, as well as mobilize all available resources to maintain a competitive advantage, but also find ways to mobilize the...

By Filip Stojanov

The public transportation system represents the most important function for the realization of all activities of the population in the city and the economy. This activity is not profitable, so it is very important to determine the real costs of the functioning of this System, in order for the cities/municipalities to determine the required amount o...

By Pavle Gladović, Marijana Prelević

The focus of this paper is on the energy policy issues related to oil and gas shortages, and the impact of investing in R&D and innovation on the growth of companies in the local energy sector. Following everyday life through the international public media, we see how the energy problem and control over it's sources is a critical political topi...

By Amila Šiljak

The European Union as a political and legal creation has a serious problem of establishing a democratic order of the rule of law on its entire territory. On the part of European officials, there are serious attempts to overcome the problem of the democratic rule of law, and the main obstacles on the way are the transition processes in certain membe...

By Ratomir Antonović

In this postmodern environment, the current questions are: In what direction is sustainable development going in the Balkans, Europe and the world? Are there inexhaustible sources of energy on planet Earth?. Is "atomic war" possible and how to "fight" against dangerous bio-killers? Life course and transition at the crossroads of time? What is the r...

By Rade Biočanin, Gordana Milentijević

Biomass, as an energy source, must be produced, processed and used in a sustainable and efficient manner in order to optimize the process of reducing greenhouse gas emissions and improve environmental protection. It is obtained from organic materials such as wood and harvest residues from agricultural production, urban waste. It can be used for hea...

By Marija Gavrilović, Biljana Veljković, Goran Škatarić, Branislav Dudić, Velibor Spalević

The current global energy crisis caused an increase in the prices of all energy products in Serbia, including pellets. The sudden increase in demand and the price of pellets caused the Government of the Republic of Serbia to ban the export of pellets abroad for three months in September 2022, in order to stabilize the energy market. The aim of this...

By Suzana Knežević, Milena Milojević, Goran Stojićević

The ecological environment is the main challenge for the accession of European countries to join the European Union. Ecology is at the heart of the policy-making process of European countries, respecting the interests of companies and consumers. Due to the low level of environmental awareness of European countries, which are not members of the Euro...

By Rajko Kasagić

In this paper, the authors analyze the necessity of changing the business philosophy in the future, especially from the aspect of the impact of the global pandemic. The events on the global economic scene in 2020 pointed to the need to pay more attention to organizational characteristics, such as creativity, flexibility, coordination, emotional int...

By Cariša Bešić, Dejan Đorđević, Snežana Bešić