INGREDIENTS: Canola oil, for grill grate1 tbsp.  olive oil1  small onion, diced1  (15-ounce) can small white beans, rinsed4  plum tomatoes, chopped2  cloves garlic, chopped2 tbsp.  molasses Kosher salt and freshly ground black pepper2 tsp.  red wine vinegar2 tsp.  Worcestershire sauce6  hot dogs6  hot dog buns …