Petrol and diesel became more expensive in the national capital on Tuesday, after the Delhi government hiked the value-added tax (VAT) on auto fuels. The increase in fuel prices was to the tune of Rs 1.67 for petrol and Rs 7.10 per litre for diesel. The consumer now has to shell out Rs 71.26 and Rs 69.39 for every litre of petrol and diesel respectively in Delhi.