ALBUQUERQUE, N.M. — A private jet once owned by Elvis Presley that has sat on a runway in New Mexico for nearly four decades is back on the auction block.The online auction site IronPlanet announced this week that the plane with red velvet seats had returned to the market after its current owner bought it last year for $430,000.A previous auction house says Elvis designed the interior that has gold-tone woodwork, red velvet seats and red shag carpet.