Think about OIL.

Its not only our fuel that is depending on fossil fuels, Oil makes petrol, diesel, heating oil, bunker oil, grease, lubricants
Every time there is a rise in the price of a barrel of oil, or an oil shortage think about all of the things that are made from oil and plan accordingly IE bulk buy stuff like soap, disinfectants, bleaches and detergents when you find them on offer. When fuel oil like diesel becomes scarce so will everything listed below.

This is a list of some of the products made from oil. Nearly everything in our lives is made from oil, made by machinery and systems dependent on oil, and transported by oil as either gas or diesel fuel.

Ammonia, Anesthetics, Antihistamines, Antiseptics, Artificial limbs, Artificial Turf, Antiseptics, Aspirin, Auto Parts, Awnings, Balloons, Ballpoint pens, Bandages, Beach Umbrellas, Boats, Cameras, Candles, Car Battery Cases, Carpets, Caulking, Combs, Cortisones, Cosmetics, Crayons, Credit Cards, Curtains, Deodorants, Detergents, Dice, Disposable Nappies, Dyes, Eye Glasses, Electrical Wiring Insulation, Faucet Washers, Fishing Rods, Fertilizer, Fishing Line, Fishing Lures, Food Preservatives, Food Packaging, Garden Hose, Glue, Hair Colouring, Hair Curlers, Hand Lotion, Hearing Aids, Heart Valves, Ink, Insect Repellent, Insulation Insecticides, Linoleum, Lip Stick, Milk Jugs, Nail Polish, Oil Filters, Panty Hose, Perfume, Petroleum Jelly, Rubber Cement, Rubbing Alcohol, Shampoo, Shaving Cream, Shoes, Toothpaste, Trash Bags, Upholstery, Vitamin Capsules, Water Pipes, Yarn, Plastics, Lubricants, Gasoline, Diesel, Heating Oil. Specialised Medicines, Pop Bottles, Contact Lenses, Lenses for spectacles ,Sun Block Cream, Soaps, UPVC windows, Polycarbonate, Polythene, Synthetic rubber, Nylon, Neoprene, Polyester, Sandwich bags, Pantyhose,Vaseline, Wiring insulation, Ink Cartridges, CD ROMs CDR/DVDR discs, etc.

You can see that its very prudent to take precations against the risk of oil shortages and long term price hikes in the cost of oil.