A Tuck that Nips Safety and Efficiency?
Three years ago, the U.S. Postal Service began replacing 7-and 11-ton cargo vans and adding new lift gates — equipment on the rear that helps load/unload containers of mail. Transportation managers could choose between a tuck-under lift gate or a rail lift gate. The former tucks beneath the cargo van when not in use while the latter folds up against the back of the van.