Coffee firm Tchibo has announced an investment of €20 million ($23 million) to improve facilities at its roastery in Hamburg, Germany. The multi-year upgrade programme will see “the most up-to-date” drum roasting and hot air roasting technologies installed at the site, with work scheduled to be completed by 2020. Commenting on the investment, Tchibo CEO Thomas Linemyr said: “With this wide-ranging upgrade of our roasting facilities we are underlining the significance of …