Add pork, orange juice, chicken broth, lime juice, orange peel, oil, and seasonings to slow cooker. Mix to coat evenly.
2 lb lean pork shoulder, ½ cup orange juice, ½ cup low-sodium chicken broth, 1 lime, 1 whole orange peel, 1 tbsp olive oil, 1 tsp salt, 1 tsp black pepper, 1 tsp cumin, 1 tsp garlic powder, 1 tsp onion powder, 1 tsp paprika, 1 tsp dried oregano, 4 cloves garlic, 1 bay leaf, 1 tsp chipotle powder