Qatar Petroleum announced Wednesday the prices of diesel and gasoline in the State for July 2021. QP has set the price of a litre of diesel at QR1.90 in July, compared to QR1.75 last month, while the price of Super Gasoline 95 is set at QR2 per litre as against QR1.90 in June. Premium Gasoline 91 will cost QR1.95 a litre in July compared to QR1.85 in June. (QNA)