Sources told The Globes that Boeing will not grant permission to Israel Aerospace Industries (IAI) to convert the 767 into an aerial refueling tanker for the Israeli Air Force.
By Chris Lofting [GFDL 1.2 or GFDL 1.2], via Wikimedia Commons
So far, IAI has secured deals to sell its 767 tanker to Brazil and Colombia and is a threat to Boeing as it is able to offer a tanker to Israel at a much lower price.