HC Deb 15 June 1993 vol 226 c494W
Mr. Legg

To ask the President of the Board of Trade (1) what changes to gasoline composition have occurred in the United Kingdom since 1970;

(2) what is the level of aromatic hydrocarbons in the super premium unleaded grade and the unleaded premium grade of gasoline in the United Kingdom.

Mr. Eggar

The information is not held centrally.