▁bo ilers . ▁During ▁the ▁B iod ies el ▁Ex po ▁ 2 0 0 6 ▁in ▁the ▁UK , ▁Andrew ▁J . ▁Robert son ▁presented ▁his ▁b iod ies el ▁he ating ▁oil ▁research ▁from ▁his ▁technical ▁paper ▁and ▁suggested ▁B 2 0 ▁b iod ies el ▁could ▁reduce ▁UK ▁household ▁CO 2 ▁em issions ▁by ▁ 1 . 5   mill ion ▁tons ▁per ▁year . ▁ ▁A ▁law ▁passed ▁under ▁Massachusetts ▁Governor ▁De val ▁Patrick ▁requires ▁all ▁home ▁he ating ▁dies el ▁in ▁that ▁state ▁to ▁be ▁ 2 % ▁bio f uel ▁by ▁July ▁ 1 , ▁ 2 0 1 0 , ▁and ▁ 5 % ▁bio f uel ▁by ▁ 2 0 1 3 . ▁ ▁New ▁York ▁City ▁has ▁passed ▁a ▁similar ▁law . ▁ ▁C lean ing ▁oil ▁sp ills ▁ ▁With ▁ 8 0 – 9 0 % ▁of ▁oil ▁sp ill ▁costs ▁inv ested ▁in ▁sh or eline ▁clean up , ▁there ▁is ▁a ▁search ▁for ▁more ▁efficient ▁and ▁cost - effect ive ▁methods ▁to ▁extract ▁oil ▁sp ills ▁from ▁the ▁sh or elines . ▁B iod ies el ▁has ▁displayed ▁its ▁capacity ▁to ▁significantly ▁dissol ve ▁cru de ▁oil , ▁depending ▁on ▁the ▁source ▁of ▁the ▁fat ty ▁ac ids . ▁In ▁a ▁labor atory ▁setting , ▁o iled ▁sed iments ▁that ▁sim ulated ▁poll uted ▁sh or elines ▁were ▁sp rayed ▁with ▁a ▁single ▁coat ▁of ▁b iod ies el ▁and ▁exposed ▁to ▁sim ulated ▁t ides . ▁B iod ies