The recent hot weather has everyone flocking to the ice cream cart uncles along Orchard Road. But if sweet, icy desserts aren’t your thing, look out for a mobile coffee cart instead.

Freshly launched in March, Calibrate Coffee sells hipster artisanal coffee from a roaming modified motorcycle sidecar – perfect for a refreshing caffeine hit for parched throats. And here’s how it works. 

Calibrate Coffee was started by Huang Wei Jie, 29, who currently runs his coffee business on the side while working full-time as a social worker. The NUS graduate with a degree in social work shares that he learnt how to make coffee six years ago, when he worked as a...