The bankrupt company's plans cover the retirement benefits for more than 21,000 people and are underfunded by about $292 million.
Struggling grocer has received "stalking horse" bids for 120 stores but no bidder has been willing to assume its liabilities.
Payments-industry observers say it's an idea whose time may have come.
In YRC's darkest days, a concerted accounts receivable effort kept the company's doors open some days.
