McCains, a Canadian brand, uses canola oil for their fries. Cavendish Farm, another Canadian brand, uses soybean or canola oil.
Personally, I am more concerned about the environmental impact of the palm oil plantations. As the Chief mentioned, they are clear cutting forest to plant these trees. It's a major reason why orangutans are endangered.
May you live as long as you wish and love as long as you live.
Robert A. Heinlein