Farkas, Ferenc; Nagy, Valéria; Bai, Attila - In: APSTRACT: Applied Studies in Agribusiness and Commerce 08 (2014) 1
The portion of oil could be estimated 33 % of global primary energy consumption in 2012 (BP, 2012) and its average price – beside the products produced from it as well - significantly increased, unlike the demand for transport which has been reduced. This tendency is expected to remain...