Modern sanitation systems and potable water
distribution are dependent on fossil fuels in everything from the
manufacture of
cement and steel for pipes and pumps to generating electricity to run water and sewage pumps.
In heavy industy, fossils fuels will always be required for lime and
cement kilns, metal smelters, steel mills, foundries and metal casting plants, metal cutting and braising torches, all factories that make ceramics (e.g., bricks, tiles, china, glass, etc), all food production, processing and
distribution, space and water heating, cooking and baking, BBQ's,
manufacture of porcelain - coated metals, harvesting of wood and lumber
manufacture, isolation of essential oils by steam distillation for prepartion of fine fragrances flavors, etc because the fuels provide HIGH HEAT.