Keith Homan / Shutterstock.com Auto Wax & Polish Hazardous Waste Keith Homan / Shutterstock.com Find out what to do with household hazardous waste Never Dump Down the Drain Auto wax and polish is flammable and can contaminate waterways. Never dump auto wax or polish in the trash or down the drain; dispose of them as Household Hazardous Waste. Did You Know? Eco-Friendly Car Care Products There are some companies that are working on making eco-friendly car care products. (Here, “eco-friendly” means a product that isn’t toxic and that doesn’t need to be rinsed off with water.) One example is Nature’s Green Magic, which offers a variety of green, waterless car cleaning products.