Snacks are a critical component of a healthy diet.  Allowing too long between meals invites cravings, impulse food decisions and can encourage us to eat quickly and too much when we do sit down for a meal.  However, the wrong type of snack can keep us munching on empty calories only to find we are still hungry.  When cooped up in the car for several hours, having some smart snacks ready for munching will help you avoid wrecking your nutrition plan before you even reach your destination…