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33.
Mr. Hind
To ask the Secretary of State for Energy by how much the sales of lead-free petrol have increased since 1979.
55.
Mr. Ian Taylor
To ask the Secretary of State for Energy by how much the sales of lead-free petrol have increased since 1979.
Mr. Peter Morrison
Sales of unleaded petrol have increased substantially over the last two years. In 1979 there were no sales of unleaded petrol, whereas currently about one third of petrol sold is unleaded.