31.   But the United States insists only South Korean reactors can be substituted for the stilled five-megawatt graphite reactor suspected of producing fuel for nuclear weapons.

32.   Clinton also may visit a village that has replaced wood and coal-burning stoves with biogas generators that produce fuel by combining pig manure and rice husks.

33.   Fast-neutron reactors, also known as breeder reactors, produce more fuel than they consume.

34.   Grass and other plants can be burned and converted into combustible gas or used to produce liquid fuels.

35.   Ten more U.S. plants produce nuclear fuel.

36.   The others stayed open only to produce fuel for their communities.

37.   The others stayed open only to produce vital fuel for their communities.

38.   The plant was built to produce electricity as well as burn used fuel and produce plutonium fuel for reactors.

39.   The remaining mines stayed open only to produce vital fuel for their communities.

40.   Ukraine is planning to build two plants to produce fuel for nuclear power, reducing its dependence on Russia for energy, officials said Friday.