The report gives details of the firm’s life-cycle analysis, comparing the energy consumed in the production, transport, bottling and end of life, for cork, plastic and screw cap wine stoppers.
The total figures were: 102 megajoules (MJ) of energy per 1,000 natural corks; 441.9 MJ per 1,000 screw caps and 496.7MJ for plastic corks.
The report also details Amorim’s Green Cork programme for recycling used corks.
Launched in June last year, the project collected 400kg of used corks in six months, from the company’s industrial units in Portugal.
Amorim has set up a cork recycling programme with wine merchant Laithwaites in the UK.
The report highlights the Portuguese company’s increased use of renewable energy – which has reached 60% of its energy requirements, compared with 45% in CO2.
Amorim is able to generate biomass energy using the cork grinds that cannot be turned into cork products.
Chairman and chief executive António Amorim said of the report: “Our commitment to sustainable development is the best way to demonstrate responsible leadership in the cork industry.”
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