Diet Coke, TfL, Unilever: 5 things that mattered this week and why

Coca-Cola weathers the initial sugar tax storm
Coca-Cola’s big push on its Diet Coke variant has been an initial success, with value sales of the lower-sugar variant overtaking classic Coke just weeks after the sugar tax came into effect. The tax meant the cost of a 300ml can of Coca-Cola increased by 8p, and the rise has led to volume sales falling from 9 million litres per week at the end of February to a low of 6.7 million litres for the week ending 14 April, according to figures from