Could this be turned into fuel, instead of just more plastic? Shutterstock.com Mei 14, 2018 If we can’t recycle it, why not turn our waste plastic into fuel? Muxina Konarova, The University of Queensland Plastic can only be recycled a few times before it becomes useless. But even non-recyclable plastic can be used to help produce petrol and diesel. Could this process help overcome the recycling crisis?