11.   One of the most promising developments is Olestra, a fat substitute that has been around for several decades.

12.   Perhaps the most promising fat substitute is being developed by a small company in Pennsylvania called Viritech.

13.   Replace is made with an oat-bran derived fat substitute called Oattrim.

14.   Researchers are working on fat substitutes that would not lead to an early grave.

15.   Stanley Segall, head of Nutrition and Food Science at Drexell University in Philadelphia, said there are benefits to a fat substitute.

16.   Sweeping new inventions like the controversial fat substitute, Olestra, are only a small part of this research, however.

17.   The company is preparing later this year to roll out a variety of Pringles made with olestra, its controversial fat substitute.

18.   The company also plans to increase the use of its olestra fat substitute now used only in salty snacks such as Pringles potato chips.

19.   The fat substitute is said to taste and cook like ordinary fat.

20.   The food was prepared with olestra, the controversial fat substitute approved last year by the Food and Drug Administration only for use in salty snack foods.