rial ▁land ▁currently ▁used ▁for ▁food ▁production ▁and ▁new ▁alg ac ulture ▁jobs ▁could ▁be ▁created . ▁ ▁By ▁comparison ▁it ▁should ▁be ▁mentioned ▁that ▁the ▁production ▁of ▁bi og as ▁util izes ▁agricult ural ▁waste ▁to ▁generate ▁a ▁bio f uel ▁known ▁as ▁bi og as , ▁and ▁also ▁produces ▁comp ost , ▁thereby ▁en han cing ▁agricult ure , ▁sust ain ability ▁and ▁food ▁production . ▁ ▁Current ▁research ▁There ▁is ▁on going ▁research ▁into ▁finding ▁more ▁suitable ▁cro ps ▁and ▁impro ving ▁oil ▁yield . ▁Other ▁sources ▁are ▁possible ▁including ▁human ▁f ec al ▁matter , ▁with ▁Gh ana ▁building ▁its ▁first ▁" f ec al ▁sl ud ge - f ed ▁b iod ies el ▁plant ." ▁ ▁Using ▁the ▁current ▁yields , ▁vast ▁amounts ▁of ▁land ▁and ▁fresh ▁water ▁would ▁be ▁needed ▁to ▁produce ▁enough ▁oil ▁to ▁completely ▁replace ▁foss il ▁fuel ▁usage . ▁It ▁would ▁require ▁twice ▁the ▁land ▁area ▁of ▁the ▁US ▁to ▁be ▁devoted ▁to ▁so y bean ▁production , ▁or ▁two - third s ▁to ▁be ▁devoted ▁to ▁rap ese ed ▁production , ▁to ▁meet ▁current ▁US ▁he ating ▁and ▁transport ation ▁needs . ▁▁ ▁Spe cially ▁b red ▁must ard ▁vari eties ▁can ▁produce ▁reason ably ▁high ▁oil ▁yields ▁and ▁are ▁very ▁useful ▁in ▁c rop ▁rotation ▁with ▁c ere als , ▁and ▁have ▁the ▁added ▁benefit ▁that ▁the ▁me al ▁le f to ver ▁after ▁the ▁oil ▁has ▁been ▁pressed ▁out ▁can ▁act ▁as ▁an ▁effective ▁and ▁bi ode grad able ▁p