Opinion of the European Economic and Social Committee on:the Proposal for a Directive of the European Parliament and of the Council concerning the alignment of measures with regard to security of supply for petroleum products,the Proposal for a Directive of the European Parliament and the Council concerning measures to safeguard security of natural gas supply, andthe Proposal for a Council Directive repealing Council Directives 68/414/EEC and 98/93/EC imposing an obligation on Member States of the EEC to maintain minimum stocks of crude oil and/or petroleum products, and Council Directive 73/238/EEC on measures to mitigate the effects of difficulties in the supply of crude oil and petroleum products(COM(2002) 488 final — 2002/0219 (COD) ﾔ 2002/0220 (COD) — 2002/0221 (CNS))