81.   UPS has been using alternative fuels for years in selected markets.

82.   Using both fuels enables the vehicles to range beyond the limited number of fueling stations with natural gas pumps.

83.   Until last year, North Korea appeared bent on using spent fuel from a reactor to make weapons-grade plutonium.

84.   We spent several hours testing, figuring out how much fuel we were using.

85.   While many trucks use diesel fuel, passenger cars with diesel engines are a rarity in the U.S.

86.   After the Soyuz returned to Earth last week, mission control decided to try to redock the cargo ship to use the fuel left in its tanks on Mir.

87.   After the Soyuz returned to Earth last week, mission control decided to try to redock the ship to use the fuel left in its tanks on Mir.

88.   Arizona also uses the fuel because its supplies primarily come from California refineries.

89.   Another set, which uses chafing fuel, is being recalled because the chafing fuel holder could tip as it burns down.

90.   Both teams use fuel from the French supplier, Elf.