By MATT HUMBARD — What does a shipping container have to do with an off-the-grid, self-contained and solar-powered mobile winery? Nathan Zeender, the head brewer at Right Proper Brewing Company in D.C., and Hyattsville resident Bret Stevenson are currently constructing a mobile winery inside a shipping container behind the four-bay garage at 5334 Baltimore Ave. The winery is […]