Case studies

Reducing carbon footprint of plastic bottle

Client: The Coca-Cola Company

Consultant: Dr Richard Murphy, Dr Jeremy Woods and Miss Miao Guo, LCAworks

Expertise: Life cycle analysis

Our consultants shared their expertise in life cycle analysis to compare the carbon footprints generated by the The Coca-Cola Company’s new PlantBottle™ versus their previous PET plastic bottle.

 

The Challenge

The Coca-Cola Company had developed a new bottle made through a process that turns sugar cane and molasses, a by-product of sugar production, into a monoethylene glycol, a major component of PET plastic. The packaging is made of up to 30% plant-based material and can be recycled in the existing recycling infrastructure. The challenge was to quantify the environmental benefits of the product.

The Solution

Through Imperial Consultants, LCAworks members Dr Richard Murphy, Dr Jeremy Woods and Miss Miao Guo carried out a full life-cycle analysis of the product as a major part of Coca Cola’s development programme.

The Impact

The life cycle analysis confirmed that the new PlantBottle™ reduced the CO2 impact 12-19% compared to petroleum-based PET plastic bottles. In 2010 alone, the use of this breakthrough packaging eliminated the equivalent of almost 300,000 metric tons of carbon dioxide, or approximately 60,000 barrels of oil.

The bottle is being piloted by Coca Cola North America in select markets and has also won the gold prize in the innovation and sustainability category at the DuPont Awards for Packaging Innovation which is an award that is recognised for environmental achievements in the area of packaging and is also the industry’s longest running, independently judged awards honouring materials, processing, technology and service achievements that demonstrate excellence in packaging innovation, sustainability and cost/waste reduction.

 

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