Jerk Grilled Pork Steaks

Name: Jerk Grilled Pork Steaks
Ingredients: 4 scallions , root ends trimmed; ¼ cup vegetable oil; ¼ cup soy sauce; 3 tablespoons packed brown sugar; 2 tablespoons cider vinegar; 1–2 Scotch bonnet chiles , stemmed; 10 sprigs fresh thyme; 5 garlic cloves , peeled; 1 (2-inch) piece fresh ginger , peeled; 1 tablespoon ground allspice; 2 teaspoons table salt; 1 teaspoon pepper; 1 teaspoon ground cinnamon; ½ teaspoon ground nutmeg; 1 (3-pound) boneless pork butt roast , trimmed; 1 cup wood chips; Lime wedges