Where and how do you dispose of used motor oil in Australia?

I've accumulated quite a bit of used motor oil over the past few years. It's sitting in my garage in plastic containers. Where do I take it to dispose of it? I live near Sydney.Where and how do you dispose of used motor oil in Australia?
You can get it recycled for free by taking it to your nearest auto parts store. Call them first to find out. Sometimes they only take a certain amount of quarts per customer.Where and how do you dispose of used motor oil in Australia?
The ocean... Just kidding, I would try an auto repair shop/store.