Book a vacation that’s not only rich in memorable experiences you won’t find anywhere else, but also significantly shrinks your carbon footprint! In fact, passenger rail is one of the most sustainable transportation modes available. According to the latest U.S. Department of Energy data, intercity rail is 47% more energy efficient than driving and 33% more energy efficient than air travel. That’s why #TheFutureRidesWithUs #GreenTravel #NationalParkWeek #AmtrakSustains