The administration also seeks ways to reduce the many types of cleaner-burning gasoline made in the United States.

Both the Senate and House passed strong provisions requiring cleaner-burning gasoline.

A significantly cleaner-burning gasoline would be the third major blow to the platinum market in six weeks.

California uses a cleaner-burning gasoline, and the number of refineries that can produce it are limited.

California, with the nation's worst air, will open hearings today to develop standards for cleaner-burning gasoline.

The law calls for cleaner-burning gasoline in the nine smoggiest cities by 1995.

For instance, oil company executives say a requirement to develop cleaner-burning gasoline by 1995 may be impossible.

Plans to make oil companies provide cleaner-burning gasoline will be opposed by the White House.

California will open hearings today to develop standards for cleaner-burning gasoline.

Other steps could include the wider use of cleaner-burning gasoline and less-polluting cars.