Over medium high heat, add 1 tablespoon grape seed oil. Salt and pepper the chicken to taste. Once oil is hot, add chicken to brown and cook through. Add the vegetables to pan for about 5 minutes.
Meanwhile, in a small bowl, stir together the orange marmalade, rice vinegar, hoisin sauce, soy sauce, chili pepper sauce, garlic, and ginger together and stir until combined. Pour the sauce over the chicken and vegetables.
Serve over white rice and garnish with chopped green onions.