ski ▁serves ▁on ▁two ▁House ▁Comm itte es : ▁Transport ation ▁& ▁In frastr ucture ▁and ▁Science , ▁Space , ▁& ▁Technology . ▁He ▁is ▁the ▁most ▁senior ▁member ▁from ▁Illinois ▁on ▁the ▁Transport ation ▁& ▁In frastr ucture ▁Committee , ▁serving ▁on ▁the ▁Sub comm ittee ▁on ▁A viation ▁and ▁the ▁Sub comm ittee ▁on ▁Rail ro ads , ▁P ip elines , ▁and ▁Haz ard ous ▁Material s , ▁which ▁he ▁ch airs . ▁On ▁the ▁Committee ▁on ▁Science , ▁Space , ▁and ▁Technology , ▁Lip in ski ▁was ▁previously ▁the ▁Rank ing ▁Member ▁of ▁the ▁Sub comm ittee ▁on ▁Research ▁and ▁s its ▁on ▁the ▁Sub comm ittee ▁on ▁Energy . ▁His ▁district ▁includes ▁Arg onne ▁National ▁Labor atory . ▁ ▁Committee ▁on ▁Science , ▁Space ▁& ▁Technology ▁ ▁Sub comm ittee ▁on ▁Research ▁& ▁Technology ▁ ▁Sub comm ittee ▁on ▁Energy ▁ ▁Committee ▁on ▁Transport ation ▁& ▁In frastr ucture ▁ ▁Sub comm ittee ▁on ▁A viation ▁ ▁Sub comm ittee ▁on ▁Rail ro ads , ▁P ip elines , ▁& ▁Haz ard ous ▁Material s ▁( Ch air man ) ▁ ▁Sub comm ittee ▁on ▁High ways ▁and ▁Trans it ▁ ▁C au cus ▁members hips ▁ ▁Blue ▁Dog ▁Co al ition ▁ ▁Cong r essional ▁Arts ▁C au cus ▁ ▁After school ▁C auc uses ▁ ▁Cong r essional ▁Bu y ▁American ▁C au cus ▁( Found er ▁and ▁co - ch air ) ▁ ▁Bi - part isan ▁Cong r essional ▁Pro - life ▁C au