Have you tried the Bodyrock workouts? Many require no equipment, are cardio intensive and all fairly short and efficient (perfect for while you're on the road).
Also, I've read before that taking your HGH shot SQ in morning then doing cardio can really jump start fat burning for the day. From my understanding - and this is a very simplified explanation - GH (buy cheap hgh online
) helps in mobilization of fatty acids from your fat cells into your bloodstream. This effect takes place within 20 minutes of the injection. Fasted cardio will burn the FFA's in your bloodstream for energy.