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In a scenario of sudden oil disappearance, global transport would be the first to collapse, with a direct impact on food, medicine, fuels, industry, and supply chains, while alternatives such as electric cars, renewables, and SAF still advance at an insufficient pace to replace all functions of oil in the short term
In an extreme and hypothetical scenario where oil simply vanished from one moment to the next, the most immediate shock would not be in household lights, but in transport, logistics, and industry.
The reason is straightforward: the transport sector still relies on petroleum-derived products for almost 91% of its final energy, and the industry is also still strongly linked to oil, especially in chemicals and petrochemicals.
At the same time, the energy transition is already underway, with accelerated progress of electric cars and renewable sources, but the scale of the current system still shows that completely replacing oil is neither simple nor quick.
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The first collapse would be in transport and the delivery of goods
If oil were to suddenly disappear, the rupture would begin on the roads, at airports, at ports, and in urban supply. Trucks, buses, tractors, a large part of cars, ships, and airplanes depend directly or indirectly on gasoline, diesel, aviation kerosene, and bunker fuel.
With this energy base interrupted, the circulation of goods would quickly lose strength, affecting supermarkets, pharmacies, hospitals, distribution chains, and essential services. The vulnerability is great because transport remains heavily tied to oil at a very high level, even after decades of debate about energy transition.
This point is central to understanding why the disappearance of oil would have an immediate effect on daily life. The problem would not just be “fewer cars on the streets,” but a breakdown of the chains that keep food, medicines, parts, alternative fuels, and basic products circulating.
The recent slowdown in global oil demand growth does not change this picture: in 2025, global consumption still grew, although at a slower pace than the average of the previous decade, which shows a still high dependence on the global economic system.
Oil is not just fuel and is also lacking in industry
Global dependence on oil goes far beyond the tank of vehicles. The IEA estimates that the industry accounts for about 20% of global oil demand, and two-thirds of this industrial volume is used as raw material in the chemical industry.
In another breakdown from the agency, petrochemicals alone account for 12% of global oil demand, playing an important role in the manufacture of plastics, packaging, tires, detergents, synthetic fabrics, and various materials present in daily consumption.
This means that, without oil, the impact would quickly reach sectors that many people do not immediately associate with the energy topic. The U.S. Energy Information Administration lists among the derivatives and byproducts of oil items such as fuels, lubricants, asphalt, and inputs used for chemical products, plastics, and synthetic materials.
In practical terms, this would affect everything from packaging and industrial parts to paving, hospital materials, and a significant part of manufacturing production. The shock, therefore, would be simultaneously logistical, industrial, and economic.
Agriculture would suffer, but the role of oil needs to be described correctly
In the field, the impact would also be severe, although with an important nuance. Modern agricultural production depends on tractors, harvesters, road transport, refrigeration, packaging, and a series of inputs directly or indirectly linked to fossil fuels.
Without diesel and without operational logistics, planting, harvesting, storing, and distributing food would become much more difficult and expensive, with the potential to pressure prices and supply on a global scale.
But there is an important adjustment regarding what is often repeated about the topic: nitrogen fertilizers do not primarily depend on oil, but rather on natural gas.
The FAO highlights that natural gas is the main raw material for these fertilizers, which changes the correct way to explain the sector’s vulnerability. In other words, agriculture would suffer greatly without oil, but the greater burden would be on machines, transportation, and part of the petrochemical chain, while nitrogen fertilizers have another predominant energy base.
Electricity would not completely go out, but the pressure on the system would be enormous
A common mistake in this debate is to imagine that the abrupt end of oil would mean an automatic blackout across the planet. Global electricity generation today depends much more on coal, natural gas, hydropower, nuclear, solar, and wind than on oil. In 2024, more than 80% of global electricity generation growth came from renewables and nuclear, which shows that the electrical system is already changing its base in many regions.
This does not mean that electricity would emerge unscathed. Without oil, there would be an even greater rush for the electrification of transportation, heating, industrial processes, and fuel substitution, which would increase pressure on networks, storage, and charging infrastructure. The IEA projects that, between 2025 and 2030, renewables will need to meet over 90% of the growth in global electricity demand, but also warns of bottlenecks such as grid integration, financing, and infrastructure. In other words, the foundation for a transition exists, but it is still not ready to instantly replace all the functions currently performed by oil.
Alternatives already exist, but none solve everything alone
The electrification of vehicles is one of the most advanced fronts. The IEA projects that global electric car sales will exceed 20 million in 2025 and represent more than a quarter of cars sold worldwide.
In 2024, more than 1.3 million public charging points were added to the global stock, signaling that infrastructure is growing at a strong pace. Still, replacing the global fleet, expanding networks, and bringing this change to heavy-duty vehicles, buses, and trucks requires time, investment, and industrial adaptation.
In electricity, the advancement of renewables is also significant. IRENA reported that global renewable capacity reached 5,149 gigawatts in 2025, after another relevant expansion, and the IEA projects an additional 4,600 gigawatts of renewable capacity to be added by 2030.
This shows that the energy transition is happening at a faster pace than a few years ago, but it also confirms that it depends on scale, networks, and complementary solutions for storage and system stability.
Aviation, ships, and petrochemicals are the most difficult parts of the swap
The sectors that are most difficult to replace are precisely those where oil still delivers high energy density or functions as an irreplaceable raw material on a large scale.
In aviation, sustainable fuels are advancing, but they remain small compared to the size of the market: IATA estimates that SAF will represent about 0.7% of total airline fuel consumption in 2025. This helps explain why airplanes would remain among the most vulnerable segments in an abrupt oil supply shock.
In shipping, the IMO itself recognizes that the transition will require low or zero-emission fuels and technologies, as well as new infrastructure.
The organization’s strategy foresees that fuels and technologies with zero or near-zero emissions will represent at least 5%, with efforts to reach 10%, of the energy used by international shipping by 2030. The number is important because it shows regulatory progress but also highlights the size of the remaining journey.
Oil may lose space, but complete replacement will still take decades
The world has already begun to reduce the pace of growth in oil dependence, and the IEA projects, in its declared policy scenario, that global demand will peak around 2030 before starting to gradually decline.
At the same time, the agency itself indicates that the use of oil in petrochemicals and aviation tends to continue growing for longer, precisely because these sectors are more difficult to transform. This reinforces the idea that oil may lose centrality, but will not disappear from the productive system in the short term.
In the end, the scenario of a sudden disappearance of oil points to a clear conclusion: the greatest fragility of the current world is not just in the fuel, but in the depth with which this resource still structures transport, chemistry, logistics, agriculture, and part of industry.
The transition is already advancing with electric cars, renewables, sustainable fuels, and new regulatory targets, but a complete change will require decades of investment, innovation, and economic reconfiguration. Before discussing when oil might finally lose its place, the more concrete question is another: if dependence is still so great, how prepared is the world to reduce it without paralyzing what keeps modern life functioning?
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