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Responsible sourcing, effective recovery and energy optimisation were key criteria in the selection of seven successfully commercialised products and processes as winners of the 20th DuPont Awards for Packaging Innovation.

Bottles for Kraft Salad Dressings won a top award to recognise nearly 19% weight reduction, improved transport efficiency and energy conservation. The bottle was manufactured by Plastipak Packaging of the USA.

Replacing traditional confectionery packaging inserts with a biodegradable component made from renewable resources made Plantic Technology of the UK a winner for the Marks & Spencer Swiss Chocolate Assortment package.

Water bag in box was another winner. Made by Lindoza Vida, Klabin, Brazil, this is an energy saving alternative to bottle water.

Ampet Single Serve Danish Seafood served up in Faerch Plast's package also won an award, as well as Jordans Organic Crunch in a compostable, biodegradable flexible pack.