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Global event such as war, pandemic, political embargos affect overall economy of airline carrier by influencing the most important variables such as load factor or fuel prices. Aim of all companies is to be profitable, what means to cover all constant costs and fuel costs with profit from tickets which are closely linked with load factor. In this study we chose to study economic impact of COVID-19 pandemic and its effect on load factor and fuel prices and overall economy. To describe the problem, we chose yearly e...

The transportation is the most significant energy consumer. Energy consumption in European Union is supported by 50% from its own sources. This implies the need of fossil fuel replacement by alternative possibilities. One option is application of renewable inexhaustible and clean resources which hydrogen is. This paper deals with hydrogen technology application in order to power experimental vehicle. Other thing is the safety concerning the process of human пїЅ machine пїЅ environment system with respect to hydrog...