§ Mr. Rookerasked the Secretary of State for the Environment if he will publish the calculations on which he based the reply to the hon. Member for Hackney, South and Shoreditch (Mr. Brown) on 14th November, Vol. 958, columns 104–5.
§ Mr. Denis Howell:I am advised that the figure of 3 per cent, more crude oil is an estimate based on the experience of the refining industry in Germany. More detailed studies of the costs in this country of reducing lead emissions are in hand.