More firms are expected to announce bottle deposit return services after Coca-Cola unexpectedly came out in favour of the idea. Pepsi, Nestlé, Unilever and M&S have already committed to producing more eco-friendly bottles by using plant-based materials or less plastic, and an uptick in that trend could now be on the cards. “We expect that any beverage company announcing or taking steps would serve to encourage other companies to follow suit,” said a spokesperson for