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Will Diesel Prices Go Down Further? Fuel Price Forecast & Fuel-Saving Tips for Filipino Motorists

Diesel price forecast Philippines 2026 shows mixed signals: short‑term relief on April 28 (₱12.94/L rollback) but potential increases in May as OPEC+ unwinds production cuts. Will fuel prices go down in the Philippines in May 2026? Philippines diesel price outlook 2026 depends on three key factors: the Middle East ceasefire holding, OPEC+ supply decisions, and global demand trends.

 When will diesel prices drop again in the Philippines? The World Bank forecasts Brent crude at $60 per barrel by end‑2026, indicating downward pressure long‑term. Fuel price trend forecast 2026 Philippines from the Department of Economy, Planning and Development warns that a worst‑case scenario could spike diesel to ₱162.60 per liter if Middle East tensions escalate.

DOE fuel price prediction May 2026 currently points to stability, but motorists should prepare for volatility. Diesel price trend analysis 2026 Philippines favors lower prices over the full year due to a historic global oil glut.

diesel price forecast philippines

A Fork in the Road for Fuel Prices

After four consecutive weeks of diesel and kerosene rollbacks, Filipino motorists are asking the same question: Will diesel prices go down further? The answer is more complicated than a simple yes or no.

April 2026 gave drivers a rare gift. A ₱24.94 per liter diesel drop on April 21, followed by another ₱12.94 on April 28, brought cumulative savings of up to ₱63.65 per liter. For jeepney drivers, truckers, and delivery riders, every peso saved at the pump translated to rice on the table.

But as the DOE prepares to announce the next weekly adjustment, the outlook has shifted. Global crude markets are volatile. OPEC+ is moving. The Middle East ceasefire could break. And the World Bank sees a massive oil glut on the horizon — a contradiction that makes forecasting especially difficult.

In this article, we analyze the diesel price forecast Philippines 2026 from multiple angles: short‑term (May 2026), medium‑term (rest of 2026), and long‑term (2027 and beyond). We look at expert predictions from the Department of Economy, Planning and Development (DEPDev), the World Bank, and the DOE.

We also provide fuel‑saving tips — practical, immediate steps you can take to stretch every liter, regardless of what prices do.

For the big picture, start with the Diesel & Kerosene Price Rollback Philippines 2026 pillar article. You may also want to review the fuel rollback timeline and the government mandate under EO 110 that made these cuts possible.

Now, let us answer the question on every motorist‘s mind.

Short‑Term Outlook: What Will Happen in May 2026?

The diesel price forecast Philippines 2026 for the immediate future rests on three variables:

  1. OPEC+ production decisions
  2. Middle East geopolitical stability
  3. Global demand trends

The April 28 Rollback: One Final Cut

On April 28, 2026, diesel fell by another ₱12.94 per liter, bringing the estimated pump price range to ₱75.93 to ₱101.96 depending on location and brand. Kerosene dropped even more sharply: ₱15.71 per liter, lowering its estimated retail price to around ₱125.39 per liter.

Contrast that with gasoline: RON 95 and RON 91 both climbed by ₱0.53 per liter, reflecting firmer summer travel demand in the US and Europe.

Energy Secretary Sharon Garin announced on April 27 that this would likely be the last big rollback for a while. „Diesel will drop by ₱12.94 minimum. The estimated pump price range is ₱75.93 to ₱101.96, depending on the gas station,‖ Garin told reporters.

The DOE reported that as of April 24, the Philippines had approximately 54.61 days of diesel supply53.91 days of gasoline supply, and an extraordinary 168.74 days of kerosene supply.

What to Expect in May: Possible Increase

Early signals point to a reversal. OPEC+ has confirmed that eight member countries will unwind voluntary production cuts starting in April 2026, citing a stable global economic outlook. However, the group has also hinted that the unwinding will be gradual and subject to market conditions (see press release on opec.org). If oil prices drop too sharply, OPEC+ could pause or reverse the increases.

At the same time, four key OPEC+ producers — the UAE, Iraq, Kazakhstan, and Oman — are implementing compensation cuts totaling 829,000 barrels per day by June 2026. That‘s a three‑fold increase from December levels. Most of the additional cuts come from Kazakhstan, which will cut 669,000 bpd by June.

These supply‑side pressures point toward higher crude prices in May and June. The World Bank, however, offers a counter‑narrative: a historic oil glut driven by surging non‑OPEC production and plateauing Chinese demand.

For a complete explanation of how international oil markets influence local prices, read our global oil market trends article.

Medium‑Term Outlook: Rest of 2026

The diesel price forecast Philippines 2026 from the World Bank is surprisingly optimistic — for consumers, at least.

The World Bank‘s $60 Oil Forecast

Brent crude oil prices are forecast to fall from an average of $68 in 2025 to $60 in 2026 — a five‑year low. Overall, energy prices are forecast to fall by 12% in 2025 and a further 10% in 2026.

The bank attributes this decline to an expanding oil glut, with the surplus expected to be 65% larger than the peak seen during the 2020 pandemic.

What is driving this glut?

  • Non‑OPEC+ production surging: The United States, Brazil, Canada, and Guyana are pumping at record levels.
  • China‘s demand plateauing: China‘s gasoline demand is being displaced at an average rate of 0.45 million barrels per day annually, largely due to the scale of its electric vehicle transition.
  • Permanent demand erosion: The rapid global adoption of EVs and improving fuel efficiency are reducing oil demand structurally.

If Brent crude falls to $60, Philippine diesel prices would likely follow. A rough rule of thumb: every $10 change in Brent crude translates to approximately ₱5–₱6 per liter change in local diesel prices, depending on exchange rates.

The DEPDev Worst‑Case Scenario

However, the Department of Economy, Planning and Development (DEPDev) has modeled scenarios that should sober any optimist. Under DEPDev‘s worst‑case scenario — crude oil at $200 per barrel for six months — domestic diesel prices could spike by 176.49% to ₱162.60 per liter by May.

Inflation could reach double digits, 11.4% to 14.3%, and economic growth could be cut by up to 1.95 percentage points, according to a presentation to the Senate.

Economic Planning Secretary Arsenio Balisacan described that scenario as „a bit scary … it could bring us to double‑digit inflation which we never had in the last couple of years,‗‗.

Under the least severe scenario — $100 per barrel for one month — inflation would still breach the government‘s 2% to 4% target, with the full‑year average reaching 4% to 4.2%. Growth would slip by less than a quarter of a percentage point.

Which Scenario Is More Likely?

Most analysts lean toward the World Bank‘s glut‑driven outlook rather than the DEPDev worst case. Several factors favor lower prices:

  • OPEC+ spare capacity: The group sits on roughly 7 million barrels per day of spare capacity — a buffer that has historically stabilized prices during crises.
  • Middle East ceasefire holding: If the Strait of Hormuz remains open, risk premiums will stay low.
  • Stronger Philippine peso: A weaker dollar against the peso makes oil imports cheaper, amplifying global price drops.

But risks remain. If Iran re‑blocks the Strait of Hormuz, if OPEC+ cuts deeper, or if another geopolitical shock erupts, the DEPDev worst‑case scenario could materialize. The DOE has warned there is no assurance for further rollbacks in the coming weeks.

For an in‑depth look at how government intervention is shaping prices, read Marcos Fuel Price Rollback: Is the Government Mandating Oil Price Cuts?.

Long‑Term Outlook: 2027 and Beyond

The diesel price forecast Philippines 2026 extends into 2027 with similar dynamics: a structural shift in global oil markets.

The World Bank projects commodity prices to hit six‑year lows in 2026 as the oil glut deepens. By late 2026, the global oil surplus is expected to be 65% higher than the peak seen during the 2020 pandemic — a testament to surging non‑OPEC+ productivity and the irreversible shift toward electrification.

China‘s EV transition alone displaces an average of 0.45 million barrels of gasoline demand per day annually. Meanwhile, the US, Brazil, Canada, and Guyana continue to pump at record levels.

For Philippine motorists, the long‑term trend points toward lower, more stable prices — assuming no major geopolitical disruptions. The government is also moving to reduce the country‘s vulnerability to oil shocks.

Building the Strategic Petroleum Reserve

President Marcos has called for the immediate activation of the ASEAN Petroleum Security Agreement (APSA), offering the Philippines as host or co‑chair of the first emergency simulation exercise.

He wants fuel companies to have larger emergency reserves, including raising mandatory petroleum stocks to 30 days from 15 days and LPG stocks to 21 days from seven days. The Philippines is also accelerating development of a domestic strategic petroleum reserve.

Senator Francis Escudero has proposed a 90‑day to 180‑day national fuel reserve with an initial budget of ₱60 billion. The facility would be located in Limay, Bataan, taking advantage of the area‘s deep‑water port and proximity to the country‘s only refinery.

Others have filed the Philippine Strategic Petroleum Reserve Act (Senate Bill No. 1934), which would mandate a state‑managed petroleum stockpile.

These measures would not directly lower pump prices, but they would cushion the impact of supply shocks — preventing the kind of panic buying and artificial scarcity that drives prices higher.

For a practical look at how current prices are affecting drivers and small businesses, read How the Diesel Price Rollback Affects Jeepney Drivers, Truckers & Cargo Rates.

How Filipinos Are Adjusting: Cooking Oil Alternatives

Rising fuel prices ripple beyond gasoline stations. They affect the cost of everything — including cooking oil.

Coconut oil prices have soared, with millgate prices reaching ₱179 to ₱185 per kilo, translating to a suggested retail price of approximately ₱180.85 per liter. That‘s more than double the ₱80 per liter recorded in the same period last year.

In response, price‑sensitive Filipino consumers are shifting to cheaper alternatives, particularly palm oil. Palm oil now costs roughly ₱99 per liter — about ₱40 less than coconut oil. The USDA‑FAS Manila projects coconut oil consumption to drop by 20,000 metric tons to 200,000 MT, while palm oil demand for food use expanded by more than a fifth to 900,000 MT in 2025.

What does this have to do with diesel? Everything. Higher fuel costs drive up agricultural production and transport costs, which push up the price of copra and other raw materials. Diesel powers the tractors, the delivery trucks, and the processing plants. When diesel goes up, cooking oil follows.

The Philippine Coconut Authority has convened major industry players to address the surge. Among the proposed solutions: curbing illegal exports of mature coconuts that reduce domestic supply, and temporarily suspending the 1% increase in coco‑methyl ester biodiesel blend scheduled for October.

For more on how fuel prices affect the broader economy, see our future price forecast companion article.

Fuel‑Saving Tips for Filipino Motorists

Regardless of what the diesel price forecast Philippines 2026 brings, there are practical steps you can take — today — to stretch every liter. The Department of Energy has shared several fuel‑saving techniques that cost little or nothing to implement.

1. Keep Your Tires Properly Inflated

Under‑inflated tires increase rolling resistance, forcing your engine to work harder and burn more fuel. The DOE estimates that proper tire inflation saves approximately ₱209 per month on a car and ₱702 per month on a truck. Every 1 PSI drop below the recommended pressure wastes an additional 0.2% in fuel. Recommended PSI for sedans is 30–36; SUVs may require 38 PSI or higher. Proper inflation also extends tire life by 10% to 15%.

2. Avoid Sudden Acceleration and Hard Braking

Aggressive driving — rapid acceleration, hard braking, weaving through traffic — significantly increases fuel consumption. The DOE states that avoiding sudden acceleration and braking can save up to ₱3,700 per month. In city driving, smoother driving habits can reduce fuel consumption by as much as 30%.

3. Follow Your Manufacturer‘s Maintenance Schedule

Skipping scheduled periodic maintenance can cost ₱2,000 to ₱5,000 a month in wasted fuel before you even realize it. A clogged air filter cuts engine efficiency by up to 10%. Worn spark plugs and dirty fuel injectors can add another 5% to 15% in excess fuel use. Using the correct engine oil viscosity for your vehicle can save 1% to 2% in fuel. For most cars, this means an oil change every 5,000 km; for motorcycles, every 1,000 to 2,000 km.

4. Plan Your Routes and Combine Trips

GPS routing to dodge congestion saves 10% to 20% for delivery trucks and PUVs in Metro Manila. Plan routes to merge short trips into one, schedule travel during off‑peak hours to cut idling, and avoid carrying unnecessary load. Extra weight forces the engine to work harder, much like under‑inflated tires.

5. Drive a Little Slower

Fuel consumption rises sharply at higher speeds due to aerodynamic drag. Reducing highway speeds by even 10 kilometers per hour can lower fuel use by 10% to 15%. For delivery companies and logistics fleets, this is the simplest way to save. For perspective, driving at 80 km/h instead of 90 km/h on a 100‑km trip saves roughly one liter of fuel.

6. Use Public Transportation or Carpool

The LTFRB‘s Service Contracting Program offers a subsidy of ₱30 per kilometer to PUV operators in exchange for a 20% fare discount. For private motorists, carpooling — sharing a ride with two or three neighbors — dramatically lowers fuel consumption per commuter. Some local governments are actively promoting community carpooling ordinances.

7. Work From Home When Possible

Hybrid work arrangements — allowing employees to work from home just one or two days a week — significantly reduce commuting fuel consumption and lower office operating costs. The IEA estimates that widespread adoption of remote work could reduce global oil consumption by millions of barrels per day during periods of supply stress.

8. Consider Fuel Reward Programs and Discount Apps

Several oil companies offer loyalty programs and mobile apps that provide fuel discounts of up to ₱2 per liter. Unioil frequently offers ₱1.50 discounts via the UniOil app. Petron‘s Value Card and Shell‘s Go+ program accumulate points redeemable for fuel. Cleanfuel offers ₱0.50 off per liter exclusively on Mondays.

9. Avoid Idling

Idling for more than 10 seconds consumes more fuel than restarting your engine. If you expect to be stopped for more than a minute — at a railroad crossing, waiting for a passenger, or stuck in traffic — turn off your engine. Modern engines do not need more than 30 seconds of „warm‑up“ even on cold mornings.

10. Remove Unnecessary Racks and Load

Roof racks, bike carriers, and heavy cargo create aerodynamic drag and increase weight, both of which reduce fuel efficiency. Remove roof racks when not in use. For delivery vehicles, consolidate shipments to maximize load per trip and minimize ‚empty runs‘.

For more fuel‑saving tips from the DOE, visit the official DOE Facebook page. Many LGUs have also implemented fuel conservation measures such as four‑day workweeks, car‑free Sundays, and mandatory carpooling.

Frequently Asked Questions (FAQs)

1. Will diesel prices go down further in the Philippines in May 2026?

Unlikely. Early signals point toward a possible increase of ₱0.30 to ₱0.50 per liter on May 5, 2026, as OPEC+ unwinds production cuts and Middle East tensions persist. Follow the DOE‘s May 3 announcement for confirmation.

2. What is the diesel price forecast Philippines 2026 from the World Bank?

The World Bank forecasts Brent crude to fall to $60 per barrel by end‑2026, a five‑year low. If this happens, Philippine diesel prices could see sustained downward pressure over the full year, barring major geopolitical disruptions.

3. Could diesel prices spike to ₱162 per liter in 2026?

Only under DEPDev‘s worst‑case scenario — $200 per barrel crude for six months. That scenario is considered unlikely, as OPEC+ spare capacity would likely stabilize prices, but it is not impossible if the Strait of Hormuz is closed long‑term.

4. What is OPEC+ doing with production cuts?

Eight OPEC+ members began unwinding voluntary production cuts in April 2026, adding approximately 206,000 barrels per day. However, four members — the UAE, Iraq, Kazakhstan, and Oman — are also implementing compensation cuts totaling 829,000 bpd by June 2026.

5. How does the oil glut affect Philippine diesel prices?

A global oil glut — supply outpacing demand — puts downward pressure on crude prices. The World Bank projects the glut to be 65% larger than the 2020 peak, driven by record non‑OPEC+ production and plateauing Chinese demand.

6. What is the DOE‘s inventory level as of April 24, 2026?

As of April 24, the DOE reported diesel supply at 54.61 days, gasoline at 53.91 days, kerosene at 168.74 days, jet fuel at 70.83 days, fuel oil at 67.55 days, and LPG at 38.44 days.

7. How can I check if prices have increased or decreased?

The DOE releases a weekly oil price advisory every Sunday by 6 PM. Visit www.doe.gov.ph or follow their official social media accounts. Major oil companies also post adjustments on their Facebook pages.

8. Will the government keep mandating rollbacks after the emergency ends?

The mandatory powers under Executive Order No. 110 are tied to the state of national energy emergency. Once the emergency is lifted, the deregulated framework would likely return unless Congress passes new legislation.

9. What is the Pantawid Pasada fuel subsidy?

Qualified PUV drivers receive a ₱10‑per‑liter fuel discount at 52 accredited gas stations, up to 150 liters per week. The subsidy runs for three months and can be combined with rollback savings for total relief of more than ₱30 per liter.

10. What is the LTFRB Service Contracting Program?

The SCP offers PUV drivers a ₱30‑per‑kilometer subsidy in exchange for a 20% fare discount to passengers. The ₱1‑billion program aims to benefit 50,000 PUV drivers and 15 million commuters.

11. Are cooking oil prices also affected by diesel prices?

Yes. Coconut oil prices have reached ₱180 per liter, more than double last year‘s level. Higher diesel prices increase transportation and processing costs for copra, which feeds directly into cooking oil prices.

12. Is palm oil a cheaper alternative to coconut oil?

Yes. Palm oil costs roughly ₱99 per liter — about ₱40 less than coconut oil. Palm oil imports are expected to rise by 11% to one million metric tons in 2026 as price‑sensitive consumers shift.

13. How much can I save with better tire inflation?

Proper tire inflation saves approximately ₱209 per month on a car and ₱702 per month on a truck. Every 1 PSI drop wastes an additional 0.2% in fuel. Proper inflation also extends tire life by 10% to 15%.

14. How much can I save by avoiding aggressive driving?

The DOE estimates that avoiding sudden acceleration and hard braking can save up to ₱3,700 per month and reduce fuel consumption by as much as 30% in city driving.

15. What is the best speed for fuel efficiency?

For most vehicles, fuel efficiency peaks between 50 km/h and 80 km/h. Reducing highway speed by 10 km/h can lower fuel use by 10% to 15%. Driving at 80 km/h instead of 90 km/h on a 100‑km trip saves roughly one liter of fuel.

16. How does route planning save fuel?

GPS routing to avoid congestion saves 10% to 20% for delivery trucks and PUVs. Combining errands into fewer trips and rescheduling travel outside peak traffic hours reduces idling and improves fuel economy.

17. What is the government doing to reduce long‑term fuel vulnerability?

The government is building a Strategic Petroleum Reserve (targeting 90–180 days of national consumption), activating the ASEAN Petroleum Security Agreement (APSA), raising mandatory fuel stock requirements, and accelerating transport electrification.

18. How can I report a gas station that did not implement the rollback?

Call the DOE Consumer Welfare Desk at (02) 8479‑2900 local 225 or message the DOE‘s official Facebook page. You can also report to the DTI if the station engages in profiteering.

19. Where can I find the most reliable fuel price forecast?

The DOE publishes price trends and global market analyses on its website. The World Bank‘s Commodity Markets Outlook and DEPDev‘s economic updates are also reliable sources for medium‑ and long‑term forecasts.

20. What is the most cost‑effective fuel‑saving tip?

Regular maintenance — specifically keeping your tires properly inflated, changing your oil on schedule, and replacing clogged air filters — offers the highest return on investment. Maintenance costs typically pay for themselves within one to two months through fuel savings alone.

Key Takeaways for Motorists

  • Short‑term (May 2026): Expect possible increases as OPEC+ unwinds cuts. The streak of rollbacks will likely end.
  • Medium‑term (2026 full year): The World Bank forecasts $60 Brent crude — good news for consumers. DEPDev warns of worst‑case spikes to ₱162/L if geopolitical crisis erupts.
  • Long‑term (2027+): Structural shifts — the EV revolution, plateauing Chinese demand, record non‑OPEC+ production — point toward sustained lower prices.
  • Government action matters: EO 110 has given the DOE unprecedented power to mandate rollbacks. The pending Strategic Petroleum Reserve Act would reduce the country‘s vulnerability to supply shocks.
  • Fuel efficiency: Following the DOE‘s fuel‑saving tips — proper tire inflation, smooth driving, regular maintenance, route planning — can reduce your monthly fuel bill by 15% to 30% with no major investment.

For ongoing updates, bookmark the DOE official website and follow the Philippine News Agency for fuel price announcements.

Conclusion: Prepare for Both Possibilities

The diesel price forecast Philippines 2026 is not a single number but a range of possibilities. On one hand, the World Bank sees a historic oil glut pushing Brent crude to $60 by end‑2026 — good news for consumers, bad news for oil producers. On the other hand, DEPDev warns that a renewed Middle East conflict could spike diesel past ₱162 per liter, pushing inflation into double digits.

The most likely path: volatility in the short term, followed by stabilization and gradual decline over the second half of 2026. But ″likely‖ does not mean certain. The same Strait of Hormuz that opened in early April could close in May. The same OPEC+ that is unwinding cuts could reimpose them if prices fall too fast.

What motorists can control is their own fuel consumption. The DOE‘s fuel‑saving tips — properly inflated tires, smooth driving, regular maintenance, route planning — are not just feel‑good advice. They can reduce your monthly fuel bill by 15% to 30%, which at today‘s prices means hundreds or thousands of pesos saved each month.

For the latest updates on fuel prices, government subsidies, and relief programs, check the DOE official website, follow the Philippine News Agency, and stay tuned to your preferred news outlets.

The road ahead is uncertain, but one thing is clear: every liter saved is a peso earned.