§ 33. Mr. Rostasked the Secretary of State for Transport if he will outline his policy for the promotion of diesel-powered passenger vehicles, in the interests of energy conservation.
§ Mr. William Rodgers:Diesel engines are already widely in use in heavier vehicles. The scope for their economic use in lighter ones depends on whether the mileage likely to be done is great enough to justify the additional capital cost involved. Discussions on their possible advantages are continuing.