The Convenience of Pod Coffee Machines Pod coffee machines use preportioned beans, which are then packed into capsules made of plastic or aluminum. They provide convenience, but can cost more than bean-to-cup machines and have negative impacts on the environment. Bruvi's B-Pods are biodegradable, and designed to minimize environmental waste. https://coffeee76933.izrablog.com/28842102/solutions-to-the-problems-of-capsule-coffee-machine