A grande Cafe Nero, large Costa Coffee and venti-sized Starbucks to-go cups sold in London. The U.K. Parliament is considering a tax on disposable cups in an effort to cut down on waste. Ben Pruchnie/Getty Images hide caption toggle caption Ben Pruchnie/Getty Images The Salt U.K. Lawmakers Want To Battle Waste With A 'Latte Levy' On Disposable Cups January 17, 2018 The British Parliament is considering a 34-cent tax on to-go cups to encourage diners to bring their own reusable containers. The goal is to replicate the success of Britain's tax on plastic bags.