Companies have continually looked for cleaner and cheaper ways to make plastic. Where traditional plastic products are created from petroleum-based raw materials, companies like Cerestech Inc., from Montreal is looking to replace the oil-dependant materials with renewable natural materials. Cerestech has developed a way to turn starch into thermoplastic starch, or TPS, to give it a plastic, fluid-like property. The outcome is a plastic that is 30 percent vegetable starch, but as strong and flexible as pure polyethylene.
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