▁ ▁In ▁the ▁late ▁ 1 9 8 0 s , ▁H ydro ▁acquired ▁the ▁M obil ▁service ▁stations ▁in ▁Norway , ▁Sweden , ▁and ▁Den mark , ▁changing ▁their ▁name ▁to ▁H ydro . ▁In ▁ 1 9 9 5 , ▁H ydro ▁merged ▁its ▁stations ▁in ▁Norway ▁and ▁Den mark ▁with ▁Tex aco , ▁creating ▁the ▁joint ▁vent ure ▁H ydro Tex aco . ▁The ▁service ▁station ▁chain ▁was ▁sold ▁in ▁ 2 0 0 6 ▁to ▁Re it ang ru ppen . ▁In ▁ 1 9 9 9 , ▁H ydro ▁acquired ▁Norway ' s ▁third ▁largest ▁pet role um ▁company ▁S aga ▁Pet role um , ▁which ▁had ▁major ▁up stream ▁operations ▁primarily ▁in ▁Norway ▁and ▁the ▁United ▁Kingdom . ▁The ▁British ▁operations ▁were ▁later ▁sold . ▁ ▁Mer ger ▁ ▁A ▁mer ger ▁proposal ▁was ▁announced ▁in ▁December ▁ 2 0 0 6 . ▁Under ▁the ▁rules ▁of ▁the ▁E E A , ▁the ▁mer ger ▁was ▁approved ▁by ▁the ▁European ▁Union ▁on ▁ 3 ▁May ▁ 2 0 0 7 ▁and ▁by ▁the ▁Norwegian ▁Parliament ▁on ▁ 8 ▁June ▁ 2 0 0 7 . ▁Stato il ' s ▁share hold ers ▁hold ▁ 6 7 . 3 % ▁of ▁the ▁new ▁company , ▁with ▁Nor sk ▁H ydro ▁share hold ers ▁ow ning ▁the ▁remaining ▁ 3 2 . 7 %. ▁The ▁Norwegian ▁Government , ▁the ▁biggest ▁share holder ▁in ▁both ▁Stato il ▁and ▁Nor sk ▁H ydro , ▁holds ▁ 6 7 % ▁of ▁the