Bioplastics make up about 1 percent of the plastics market, according the industry's organization in Europe.
They are made by processing sugars from plants and tend to have a smaller carbon footprint than their conventional counterparts.
It was produced as the "Chiefs Special" until 1957, when it then became the Model 36.
The "Chiefs Special" continued to be manufactured as a separate variant.
"This is why oil majors are focusing on petrochemicals." But alternatives are appearing.