1990 americanswithdisabilitiesact americanswithdisabilitiesactof1990(unitedstates) analysecomparative approvisionnementénergétique disabledpersons droitscivils energieversorgung energypolicy futur general governmentpolicy handicapés industrieetcommerce jurisprudence laws legalstatus legislation peoplewithdisabilities petroleumindustryandtrade politicalscience politiquegouvernementale politiqueénergétique pétrole ue/ceetatsmembres unitedstates