▁driven ▁tropical ▁def or est ation , ▁for ▁example , ▁in ▁Indones ia ▁and ▁Malays ia . ▁ ▁Food , ▁land ▁and ▁water ▁vs . ▁fuel ▁ ▁In ▁some ▁poor ▁countries ▁the ▁rising ▁price ▁of ▁veget able ▁oil ▁is ▁causing ▁problems . ▁ ▁Some ▁propose ▁that ▁fuel ▁only ▁be ▁made ▁from ▁non - ed ible ▁veget able ▁o ils ▁such ▁as ▁cam el ina , ▁j atro pha ▁or ▁se ash ore ▁m allow ▁which ▁can ▁th rive ▁on ▁marg inal ▁agricult ural ▁land ▁where ▁many ▁trees ▁and ▁cro ps ▁will ▁not ▁grow , ▁or ▁would ▁produce ▁only ▁low ▁yields . ▁ ▁O thers ▁argue ▁that ▁the ▁problem ▁is ▁more ▁fundamental . ▁Farm ers ▁may ▁switch ▁from ▁producing ▁food ▁cro ps ▁to ▁producing ▁bio f uel ▁cro ps ▁to ▁make ▁more ▁money , ▁even ▁if ▁the ▁new ▁cro ps ▁are ▁not ▁ed ible . ▁The ▁law ▁of ▁supply ▁and ▁demand ▁predict s ▁that ▁if ▁fewer ▁far mers ▁are ▁producing ▁food ▁the ▁price ▁of ▁food ▁will ▁rise . ▁It ▁may ▁take ▁some ▁time , ▁as ▁far mers ▁can ▁take ▁some ▁time ▁to ▁change ▁which ▁things ▁they ▁are ▁growing , ▁but ▁increasing ▁demand ▁for ▁first ▁generation ▁bio fu els ▁is ▁likely ▁to ▁result ▁in ▁price ▁increases ▁for ▁many ▁kinds ▁of ▁food . ▁Some ▁have ▁pointed ▁out ▁that ▁there ▁are ▁poor ▁far mers ▁and ▁poor ▁countries ▁who ▁are ▁making ▁more ▁money ▁because ▁of ▁the ▁higher ▁price ▁of ▁veget able ▁oil . ▁ ▁B iod ies el ▁from ▁sea ▁alg ae ▁would ▁not ▁necessarily ▁dis place ▁terrest