Germany's gas consumption rose too much last week to levels higher than in previous years, and without considerable gas conservation—including from households—Europe's biggest economy will find it difficult to avoid gas shortages this winter, Germany's Federal Network Agency, Bundesnetzagentur, said on Thursday. Starting from today, the agency—the regulator to impose rationing in case of severe shortages—will publish weekly figures about gas consumption in Germany. Last week's consumption from businesses and households at…