Effective October 30, Amtrak began issuing electronic vouchers for residual fare value left after a downgrade or exchange. No more paper vouchers to lose! Depending on the fare rules and reason for the downgrade/exchange, the voucher amount may be refundable and is good for one year from date of issue. This is part of the electronic ticketing initiative. Read more here: http://www.amtrak.com/servlet/ContentServer?c=AM_Content_C&pagename=am/Layout&cid=1248544420627 The downside is they can only be redeemed at a station, phone agents can't even use them. However, it sounds like the ability to use them online and at Quik-Trak machines is coming. Baby steps!