10 Dec 2019 --- In a bid to explore new and innovative ways to meet its sustainability challenges, Air New Zealand has begun trialing edible coffee cups for its customers in the air and on the ground. Currently serving more than eight million cups of coffee each year, Air New Zealand partnered with the New Zealand company twiice to develop compostable, edible coffee cups to not only reduce single-use plastic waste but also demonstrate that such innovations are commercially possible.