The Artery War
The barrel is only the beginning
Mr. Derrick Macharia
October 24, 2026

Saturday, 24 October 2026
At the pump on Nairobi’s Ngong Road, a litre of super petrol now has a number that looks almost too ordinary for a war story: KES 226.96. That is the maximum retail price for 15 October to 14 November, set by the Energy and Petroleum Regulatory Authority (EPRA). It is 6.04 per cent above the previous month’s Nairobi cap. The number does not tell a driver whether a tanker crossed Hormuz safely, whether a refinery could turn crude into diesel, or whether a shipowner’s insurer demanded a premium. Yet all three can end up inside it. EPRA’s current price schedule
Crude is the headline; getting usable fuel to a customer is the mechanism. The world is short not only of barrels but of reliable movement, refining capacity and time.
On Friday, 23 October, Brent crude settled at $116.72 a barrel, its highest close since late April, after attacks in Saudi Arabia and reports of an oil spill in the United Arab Emirates revived fears of further disruption. It had gained about 6 per cent for the week. Those are market observations, not a forecast that the price will keep climbing. The market can fall just as quickly if the threat recedes or supply returns. Reuters report, 23 October
A chokepoint is a system, not a line on a map
Before the war, roughly one-fifth of global petroleum liquids moved through the Strait of Hormuz. The route matters because it links Gulf producers to customers in Asia and beyond, but the physical strait is only one part of the chain. Loading terminals, tanker availability, port access, insurance, refinery operations and the arrival of products at their destination all determine whether a barrel becomes fuel where it is needed. US Energy Information Administration, World Oil Transit Chokepoints
The October figures resist a simple “closed” or “open” label. The International Energy Agency (IEA) says flows through Hormuz rose by 3.7 million barrels a day in September to 10.9 million, helped by ship-to-ship transfers in the Gulf of Oman. Bypass exports also rose by 970,000 barrels a day to 5.6 million. But the agency kept its near-term outlook cautious amid renewed attacks, and estimated that observed oil stocks at September’s end were 509 million barrels below pre-war levels. Oil was moving again; the buffer that usually absorbs interruption was badly depleted. IEA Oil Market Report, 14 October
This is why a return of crude does not instantly restore fuel. Refineries need feedstock, functioning equipment and safe routes for inputs and output. An outage can remove diesel and jet fuel even while crude exports improve. Rerouting, delay or higher insurance raises delivered costs and uncertainty: insurance changes whether a shipowner will carry a cargo, and at what price.
Recent reporting makes that risk concrete for Kenya. On 19 October, the Daily Nation reported that two vessels carrying petroleum products destined for Kenya had been immobilised after drone strikes in the Gulf. The report is a dated account of particular vessels, not evidence that all Kenyan supply is cut off. Its significance is more modest and more immediate: cargo delay can expose a country that imports finished products to a supply shock before the global crude market runs out of oil. Daily Nation, 19 October
The IEA’s October assessment describes the product squeeze. Global gasoil and diesel production fell by an estimated 1.7 million barrels a day year on year in the third quarter. Wholesale diesel exceeded $200 a barrel in Singapore in September and reached roughly $220 in Europe and the United States. The IEA expects higher refinery output to bring the market into surplus in the first quarter of 2027, but says the deficit accumulated in 2026 will take longer to repair and product markets depend on Middle Eastern supply recovering. This is the agency’s outlook, not a certainty. IEA Oil Market Report, diesel assessment
Diesel deserves attention because it does the work that makes other prices travel. Trucks move food and manufactured goods; buses move workers; farms and construction sites use machinery; hospitals, telecoms and shops rely on generators where grid power is interrupted. A dearer litre can raise costs across these activities. A missing shipment can be worse than an expensive one: firms cannot always substitute fuel at short notice, and a delayed delivery can idle equipment or interrupt transport.
Why Brent does not equal the pump
Kenya imports refined petroleum products, so the relevant cost is not simply the Brent quote. A simplified chain runs from the benchmark price of crude through the price of the finished product, freight and insurance, currency conversion, taxes and levies, and distribution margins. Those parts move on different schedules. EPRA’s regulated monthly cap reflects import costs and local components; a Brent price on Friday does not automatically become a new pump price on Saturday.
That lag is not a promise of protection. It is a buffer in both directions. If Brent falls but diesel remains scarce, the product premium or freight bill can keep the delivered price high. If crude rises sharply, an existing cargo or inventory may soften the immediate effect, while later cargoes bring the increase through. The exchange rate also matters: a dollar-priced cargo costs more shillings if the shilling weakens. Taxes and policy choices affect what households pay and what the Treasury collects.
The present Kenyan cap is an observation. The 23 October Artery War report’s estimate of KES 220 for Nairobi petrol in April 2027 is a scenario-weighted forecast, not a verified future price. It depends on assumed Brent and product prices, the shilling exchange rate and VAT. The report’s KES 8.8 per litre for each $10 move in refined petrol and KES 16.8 for a VAT change are unvalidated model outputs, not official EPRA sensitivities.
A cleaner way to show the scale without pretending to forecast is to compare units. One barrel is 159 litres. At KES 130 per dollar, a $10-per-barrel increase in crude equals about KES 8.18 per litre of crude before refining, freight, taxes, product yield and margins: ($10 × KES 130) ÷ 159. This arithmetic does not say petrol rises KES 8.18 at the pump. It shows only the raw crude-cost equivalent, assuming the full benchmark change passed through and ignoring every other component. Real retail transmission can be smaller, larger or delayed.
The same EPRA schedule caps Nairobi diesel at KES 227.76 and kerosene at KES 219.87. These products are not interchangeable: a household may buy little petrol and still feel a shock through fares, food deliveries, backup power or farm inputs.
The dollar and the credit clock
The next link is financial. Oil is priced internationally in dollars. Importers need dollars to pay for cargoes, while longer payment terms can postpone the moment that cash must leave the country. Kenya’s government-to-government fuel arrangement has relied on credit terms with Gulf suppliers; that can reduce immediate dollar demand, but it cannot make a physical cargo appear if the route or loading schedule fails.
Liquidity and solvency are different. Reserves can meet near-term obligations even as a long fuel shock worsens the import bill; an oil spike alone does not establish a currency crisis or default. On 7 October, CBK kept its Central Bank Rate at 8.75 per cent. Its August statement put reserves at $15.249 billion, or 6.3 months of import cover at that time—a buffer, not immunity. CBK, 7 October · CBK, 11 August
Globally, the transmission can run from energy inflation to interest rates and credit. If central banks fear persistent inflation, they may hold rates higher for longer, raising borrowing costs and restraining investment and spending. But this is a pathway, not an automatic sequence. The IMF’s October outlook projected global growth of 3.1 per cent in 2026 and 3.4 per cent in 2027, while warning that risks tilted downward and energy importers were especially exposed. It did not predict an inevitable US recession or global crash. IMF, World Economic Outlook, 13 October
For the United States, a higher oil bill can reduce consumers’ discretionary spending and squeeze fuel-intensive businesses. It can also feed inflation expectations and complicate monetary policy. Whether those pressures tip the economy into recession depends on the shock’s duration, household balance sheets, wage growth, fiscal policy, the labour market and other drivers of demand. High oil prices alone do not establish a crash. The countercase is straightforward: safer shipping, recovered refinery output, releases from strategic stocks, weaker demand and substitution can ease prices; a credible diplomatic arrangement can change expectations before all lost supply is restored.
From gas to fertilizer to food
Energy also enters agriculture through a less visible route. Natural gas is a key feedstock and energy source for nitrogen fertilizer production. The Gulf is both a producer and a shipping corridor. A prolonged disruption can affect gas availability, plant output, fertilizer exports and the cost of moving inputs. Farmers who receive fertilizer late or at a higher price may reduce application, change crops or absorb a lower margin. Those decisions can affect later harvests, so the food-price channel often arrives after the fuel shock rather than alongside it.
This is not a straight line from Hormuz to empty Kenyan shelves. Inventories, distribution, rainfall, crops, exchange rates, subsidies and alternative suppliers all matter. IFPRI’s 18 September review found urea and ammonia prices had retreated from earlier peaks, while phosphate remained costly and sulfur constrained. Renewed disruption could still reverse that easing. The uneven picture counters claims of a uniform global fertilizer shortage. IFPRI/CGIAR, 18 September
For Kenya, the practical risk is a compound one: transport costs rise while imported inputs become dearer or less predictable, at the same time that weather shapes domestic harvests. Food inflation can therefore rise even if crude later falls. But attributing a future food-price increase to oil alone would be careless; weather, exchange rates, harvest outcomes and policy could dominate. The right signal to follow is not only the Brent chart, but also landed fertilizer prices, import timing, planting decisions and local food markets.
A two-sided test for Kenya
In the downside case, insecurity delays vessels, product exports recover slowly, diesel stays expensive and a weaker shilling amplifies the bill. Kenya faces pressure through pump prices, transport, inflation and import costs. Businesses with thin cash buffers may feel a credit squeeze before national accounts register a crisis.
The relief case is also plausible. September’s jump in Hormuz flows shows that routes can partially reopen even during conflict. The IEA expects a diesel surplus to emerge in early 2027 if refinery production recovers. Alternative loading hubs and shipping routes can help Kenya: EPRA data reported by Business Daily show that, in the year to June 2026, 25.26 per cent of government-to-government product was sourced through India and European hubs, while 62.6 per cent of Kenya’s refined-fuel imports still came from the UAE and Saudi Arabia. Diversification exists, but concentration remains. Business Daily, 29 September
Three measures would clarify which path is taking hold: the monthly EPRA price build-up and cap; actual product cargo arrivals and source mix; and CBK’s exchange-rate and reserve data. Brent is useful as an alarm, not as a complete household forecast. For fuel-dependent firms, the same discipline means separating the assumptions they can control—stock planning, route efficiency, contract terms—from the global price they cannot.
The barrel is only the beginning because the economy does not consume a benchmark. It consumes diesel delivered to a truck, fertilizer delivered before planting, power that keeps a clinic open, and credit that lets a business pay for the shipment. A safer strait would help. It would not instantly refill depleted inventories, repair every refinery or unwind higher financing and input costs. Nor does today’s disruption prove that the worst case is coming. The useful question is narrower: are the flows, products and buffers recovering fast enough to keep the next shock from passing down the chain?
U.S. Navy ships transit the Strait of Hormuz on 11 May 2012. File photograph; it illustrates the narrow maritime passage, not current vessel traffic. Credit: Alex R. Forster, U.S. Navy. Image source · Public domain in the United States; Wikimedia Commons also marks the file Public Domain Mark 1.0
About the author

Mr. Derrick Macharia
AI Engineer @Pawanax
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