February 3, 2010

Coke’s New Bottle Is Part Plant

Filed under: Uncategorized — ktetaichinh @ 6:23 am
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[BOTTLE] Coca-ColaThe label of a new Coca-Cola bottle that is partly derived from sugar cane even though it feels and functions like a regular plastic soda bottle.

Coca-Cola Co., under fire from environmentalists for using plastic bottles, has introduced a new packaging material made partly from plants. The container has “the same weight, the same feel, the same chemistry, and functions exactly the same way” as a regular plastic bottle, a Coke spokeswoman says.

Coke isn’t the only beverage concern trying to reduce its carbon footprint. Rival PepsiCo Inc. has introduced a compostable bag made from plants for its SunChips snacks. But Coke is the world’s biggest drink maker, and Coke Chairman and Chief Executive Muhtar Kent calls the new container, which uses material derived from sugar cane, “the first generation of the bottle of the future.”

Coke touted its “plantbottle” at the Climate Change Summit in Copenhagen last month, and it plans another push next month at the Winter Olympics in Vancouver, where all the sodas and water it provides will be packaged in the plantbottle. “Preliminary research” shows the new container leaves a smaller carbon footprint than regular plastic bottles, Coke says.

Traditional plastic bottles are made from polyethylene terephthalate, commonly known as PET, which is derived from petroleum, a nonrenewable resource. In 2006, production of plastic bottles for U.S. beverage consumption required the equivalent of more than 17 million barrels of oil, according to the Pacific Institute, a California-based environmental think tank.

The new plant-based bottle developed by Coke is composed of 70% petroleum-based and 30% sugar-cane-based materials. The cane is crushed and mashed to produce juice, which is then fermented and distilled, producing ethanol. That ethanol is then converted through a series of chemical processes such as oxidation to a mono-ethylene glycol—a component normally derived from petroleum for use in plastic bottles. The MEG is then mixed with terephthalic acid to create PET plastic.

Coke began selling its flagship Coca-Cola, Coca-Cola Light and Coke Zero in the new bottles in Denmark in time for the United Nations Climate Change summit. With the Vancouver 2010 Winter Olympic Games just a few weeks away, the company has introduced plantbottles containing its Dasani water in the U.S. Pacific Northwest and Western Canada. Coke says it aims to sell two billion drinks in plantbottles globally by the end of 2010.

Coke also commissioned and funded an Imperial College London analysis that compared the “life cycle” of the new bottle to a regular plastic bottle to see if the impact on the environment was different, says Scott Vitters, the company’s director of sustainable packaging. He says the study found that production of the plantbottle leaves a 12%-to-19% smaller carbon footprint than production of a regular plastic bottle. The company is awaiting third-party verification of the findings from the Institute for Energy and Environmental Research in Germany, he adds.

Environmental groups say the Coke bottle now being introduced is a slight improvement over regular PET bottles, but they say it won’t solve a bigger problem with plastic bottles: the fact that most consumers don’t recycle them.

A mere 27% of PET containers were recycled in the U.S. in 2008, according to the National Association for PET Container Resources. The new bottle is “definitely positive, but no, this doesn’t make me jump up and down with joy,” says Susan Collins, executive director of the Container Recycling Institute, who wishes the beverage makers would also use recycled content.

And some competitors question Coke’s assessment of the plantbottle’s environmental footprint. “It’s an admirable first step that Coke is taking,” says Andrius Dapkus, director of innovations and renovations for Nestlé Waters North America Inc., a Nestlé SA unit that markets the bottled-water brands Poland Spring, Deer Park and others. “But as it stands today, we still don’t know whether a plantbottle’s environmental footprint is better, worse or the same” as that of an oil-derived bottle.

Instead of changing ingredients, Nestlé is continuing to reduce the amount of plastic in its bottles, a strategy known as “lightweighting” that Coke and PepsiCo also use. In the spring, Nestlé plans to introduce a new, lighter version of its Eco-Shape bottle that uses 9.3 grams of PET, 25% less than its most recent version.


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