Stephanos Koullias is running a little late, so when he parks his Bucky Buckaw Work Trike on the sidewalk at the Sunnyside Greenmarket, he jumps off and jogs across the street, high-fiving the autumn sky.
In a flash, he’s back with the collapsible tent, which looks like one of those fold-up thingies you hang wash on to dry, and green garbage pails to set up the booth for the Western Queens Compost Initiative, a group he and his environmentally minded friends founded.
Stephanos, as long and…
