It is expensive because of the low yield from the sap (40 gallons of sap are needed for one gallon of syrup!) but the cheaper imitations labelled ‘maple-flavoured syrup’ made from a mixture of ...

But drill into Alan Greene's eighth-generation maple syrup operation in the town of Sebago, and you'll find it doesn't run as smoothly as it used to. "The last 10 years, we are definitely becoming ...