Bio-based PET resin containing bio-based Monoethylene Glycol. MEG is about 30 percent of the PET equation; purified Terephthalic acid, or PTA, makes up the remaining 70 percent.

Since launching in late 2009, Coca-Cola Co.'s bio-based PET bottle has become a sustainability wunderkind. More than 15 billion drinks across 25 countries have been sold in the PlantBottle.