The Convenience of Pod Coffee Machines Pod coffee machines use preportioned beans, which are then sealed in capsules made from aluminum or plastic. They offer convenience but may cost more than bean-to-cup machines, and also have a negative impacts on the environment. Bruvi B-Pods reduce environmental waste and are biodegradable. https://coffeee93315.blogpixi.com/28577138/10-things-you-learned-in-kindergarden-that-will-help-you-with-capsule-coffee-machine