How Does Machine Espresso Work? Machine espresso uses precision pressure and incredible filter technology to produce the delicious coffee we enjoy. What exactly is it that makes it work? Espresso is produced by pushing hot water under high pressure through finely-ground coffee. The process is similar to making drip coffee. https://coffeee28334.timeblog.net/65629059/why-we-our-love-for-espresso-machine-sale-and-you-should-too