In most cases, the efforts aimed at oil substitution assume a greater role for electricity, both as regards energy savings, redistribution of the energy derived reduction. Today's technology permits new applications of electricity in the various branches of industry, where two main ways are open; high performance processes and two-energy techniques. The new tariff policies that are about to be adopted will reflect faithfully electricity costs thus permitting rational decisions regarding investments to be made. Although these investments are injected to be profitable, they are very heavy and require public aid.