11.   A wide gap, or margin, between gasoline and crude prices is encouraging refiners to produce motor fuel.

12.   Airline shares fell amid a rise in the price of crude oil, from which jet fuel is produced.

13.   Bushes and grass grew faster than usual and became thicker, meteorologists say, producing abundant fuel for any fires that might start.

14.   But some activists and three cities in East Texas urged the conservation commission to ban the use of an additive, called MTBE, to produce cleaner fuels.

15.   Crude oil prices rose, imports increased, and companies spent heavily on their refineries to produce cleaner fuels.

16.   Ethanol producers, such as Archer Daniels Midland Co., get tax breaks and government subsidies to produce the fuel.

17.   For good measure, the Clinton administration also announced new regulations that will force the oil companies to produce cleaner fuels.

18.   However, unlike in the United States, only one company, Pemex, can produce the fuel.

19.   It will produce fuel for American Electric Power Co. and other utilities and large users of coal.

20.   It would be up to the oil companies to produce a fuel that would meet that standard.