In a first, diesel in Delhi became costlier than petrol. State-owned oil companies on Wednesday hiked the price of diesel while keeping that of petrol unchanged. That marked the eighteenth straight hike in the price of diesel, pushing the price of diesel marginally higher compared to petrol. The prices of both fuels had been raised on each of the 17 days leading up to June 23 i.e. Tuesday. With effect from 6 am on June 24, the price of diesel was raised by 48 paise to to Rs 79.88 in the national capital, while the petrol rate was left unchanged at Rs 79.76 per litre.