I-YBX4 ye-series ye-motor ye-series ilungele ukusetyenziswa kwiindawo ezahlukeneyo zemizi-mveliso, kubandakanywa imigodi yamalahle ephantsi komhlaba (ubuso obungasebenziyo obungaguqukiyo), i-petroleum, ubunjineli bemichiza, imigodi, isinyithi, i-oyile kunye ne-gas industry. Isebenza ngokukodwa xa kukho i-methane kunye nezinye iigesi ezinobungozi kunye neziqhushumbisi.