The Convenience of Pod Coffee Machines Pod coffee machines make use of pre-portioned beans sealed in aluminum or plastic capsules. They offer convenience but may cost more than bean-to-cup machines, and also have a negative effects on the environment. Bruvi B-Pods help reduce waste to the environment and are biodegradable. https://coffeee-uk57600.dbblog.net/1567250/a-provocative-rant-about-capsule-coffee-machine