Keith Homan / Shutterstock.com Auto Wax & Polish Illegal in Garbage or Drains Hazardous Waste Keith Homan / Shutterstock.com Never Dump Down the Drain Auto wax and polish are 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 Some companies are developing car care products that are non-toxic and do not have to be rinsed off with water. One example is Nature’s Green Magic, which offers a variety of green, waterless car cleaning products.