Biogas can be seen as a flexible and storable energy carrier, capable of absorbing intermittent energy production and demand. However, the sustainability and efficiency of biogas production as a flexible energy provider is not fully understood. This research will focus on simulating biogas production …

Trade crosses borders and international experience, knowledge and connections are important and useful for trade and future business development. The aviation sector is probably the most international and boundless branch at the world market. After all, airlines are providing flights to all possible …