HC Deb 01 March 1985 vol 74 c308W
Mr. Gareth Wardell

asked the Secretary of State for Transport if any progress has been made in developing a tamper-proof mechanism on fuel-injection equipment for heavy goods vehicles.

Mrs. Chalker

No. At present it does not seem possible to overcome the practical problems for preventing tampering whilst at the same time permitting bona fide adjustments to be made.

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