Fuel prices rose again on Monday, with petrol becoming more expensive by Rs 2.61 per liter and diesel by Rs 2.71 per litre, marking the fourth increase in less than two weeks. The latest increase is expected to add further pressure on household budgets and transportation costs as consumers continue to grapple with rising fuel expenses amid fluctuations in global energy markets.Following the latest revision, the cumulative price increases of petrol and diesel have approached Rs 7.5 per liter since fuel price adjustments resumed on May 15 after a prolonged freeze. In Delhi, petrol prices increased by Rs 2.61 per liter to Rs 102.12 from Rs 99.51, while diesel rates increased by Rs 2.71 to Rs 95.20 per liter from Rs 92.49, according to industry sources.The repeated increases come against the backdrop of high global crude oil prices and a weakening rupee, both of which have raised import costs for oil marketing companies. Retail prices had remained virtually unchanged for almost four years before recent revisions began earlier this month.Also read: Electric vehicle registrations likely to rise amid rising fuel prices and austerity measuresPetrol and diesel prices were increased for the first time on May 15 by Rs 3 per liter each. This was followed by another hike on May 19, when rates were hiked by 90 paise per litre. On May 23, petrol prices increased by 87 paise per litre, while diesel prices increased by 91 paise.Following Monday’s increase, petrol at public sector filling stations in Mumbai is now priced at Rs 111.21 per litre, while diesel costs Rs 97.83. In Kolkata, petrol retails at Rs 113.51 per liter and diesel at Rs 99.82. Chennai has petrol prices of Rs 107.77 per litre, while diesel is sold at Rs 99.55.Fuel prices continue to differ from state to state due to variations in local taxes.State-owned fuel retailers Indian Oil Corporation (IOC), Bharat Petroleum Corporation Ltd (BPCL) and Hindustan Petroleum Corporation Ltd (HPCL) together account for around 90 per cent of India’s fuel retail market.The repeated upward revisions to pump prices come after a sharp rise in global crude oil prices, which have risen more than 50% since late February. The increase came after US and Israeli attacks on Iran and disruptions to shipping through the Strait of Hormuz, a key route for global oil supplies.Despite rising input costs during the first two and a half months of the conflict, fuel retailers had kept retail prices unchanged, seeking to protect consumers from inflationary pressure.Private fuel retailers also revised their prices as did state-owned companies. Every time public sector companies raised tariffs, companies like Nayara Energy followed with similar increases in petrol and diesel prices.These revisions were in addition to previous hikes implemented by private retailers before the first PSU-led hike on May 15. Nayara Energy had increased petrol prices by Rs 5 per liter and diesel by Rs 3 per liter in March. Meanwhile, Shell has increased petrol prices by Rs 7.41 per liter and diesel prices by Rs 25 per liter from April 1.Also Read: Petrol and diesel prices hiked for the third time, an increase of around 90 paise is expected: Check rates in your cityJio-BP, the fuel retail venture between Reliance Industries Ltd and BP Plc, aligned its pump prices with those of public sector retailers.With the latest revisions, gasoline and diesel prices have reached their highest levels since May 2022.