Collection of post-consumer bottles via the deposit-refund showed diverse results depending on the weight to volume ratio. Collection of heavy glasses through supermarkets was found to be disadvantageous due to inefficient transport from the consumer to the supermarket. Kerbside bag was found to be the most favourable collection system for the one-way glasses. Although the use of the thermopress requires additional energy with significant environmental impacts, this technology can become relevant pretreatment method by using green electricit