HC Deb 17 July 1940 vol 363 c198
23. Sir Arnold Gridley

asked the Minister of Transport what is the number of commercial vehicles converted from petrol to gas operation since 30th September, 1939, to date, or between the nearest convenient dates; and the increase in number of electrical battery operated vehicles or vans between the same dates?

The Minister of Transport (Sir John Reith)

A total of 605 goods and public service vehicles were converted from petrol to gas operation between 30th September, 1939, and 30th June, 1940. The increase in licensed electric battery goods vehicles between 31st August, 1939, and 31st May, 1940, is 578.