The greenest way to package a beverage is in a keg. A keg is returnable, refillable, and recyclable. There is no waste — unless you don’t finish the contents of the keg, that is. However, in order to ...

Going to the pub, you might not think about the long journey your pint has to go through to get from the barrel to your glass. But kegs and beer taps are a seriously techy business, and need a lot ...