{"id":122005,"date":"2026-06-21T07:00:00","date_gmt":"2026-06-21T06:00:00","guid":{"rendered":"https:\/\/en.econostrum.info\/uk\/?p=122005"},"modified":"2026-06-21T03:29:36","modified_gmt":"2026-06-21T02:29:36","slug":"uk-motorists-urged-fill-up-before-tuesday","status":"publish","type":"post","link":"https:\/\/en.econostrum.info\/uk\/uk-motorists-urged-fill-up-before-tuesday\/","title":{"rendered":"UK Motorists Urged To Fill Up Their Tanks Before Tuesday"},"content":{"rendered":"\n

As temperatures climb and forecasters warn of intense summer heat, motorists are being advised to pay closer attention to their fuel levels. Hotter weather can increase fuel consumption through a combination of vehicle performance factors and driver behavior, creating an unexpected expense for drivers already facing elevated fuel prices.<\/p>\n\n\n\n

Why Hot Weather Can Lead To Higher Fuel Consumption<\/h2>\n\n\n\n

Many drivers <\/a>associate winter conditions with reduced vehicle efficiency, but extreme heat presents its own challenges. When temperatures rise, motorists are more likely to rely on air conditioning systems, spend time in slow-moving traffic, and make adjustments that place additional demands on their vehicles. While warm weather can help engines reach operating temperature more quickly and reduce aerodynamic drag compared with colder air, those benefits can be offset by increased cooling needs inside the cabin.<\/p>\n\n\n\n

Government-backed research cited in discussions about fuel economy has shown that air conditioning can have a significant effect on overall efficiency, particularly during short trips when the cooling system must work harder relative to the distance traveled. The impact becomes even more noticeable during heatwaves, when drivers may keep climate controls running continuously. As a result, fuel gauges can appear to drop faster than motorists expect based on their normal driving habits. For people who routinely wait until the last moment to refuel, this change can lead to miscalculations about remaining range. <\/p>\n\n\n\n

According to reporting from Express.co.uk<\/strong><\/a>, during periods of extreme heat, experts recommend allowing a larger fuel buffer than usual, especially before long journeys or travel through areas known for congestion. The issue is not necessarily that fuel itself disappears more quickly, but that the conditions encourage patterns of vehicle use that increase overall consumption.<\/p>\n\n\n\n

\"30C\n
Credit: Shutterstock<\/figcaption>\n<\/figure>\n\n\n\n

The Myth About Fuel Tanks And High Temperatures<\/h2>\n\n\n\n

Hot weather has also revived a long-standing concern among some motorists: the belief that filling a fuel tank completely during very warm conditions could create a dangerous risk. Automotive experts have repeatedly challenged that claim, emphasizing that modern fuel systems are engineered to manage temperature-related expansion safely.<\/p>\n\n\n\n

RAC spokesperson Rod Dennis said: \u201cThere is no truth in this.<\/p>\n\n\n\n

“All fuel systems on passenger vehicles are designed to cope with any expansion of fuel, or vapour coming from the fuel.<\/p>\n\n\n\n

“There is no risk of explosion from filling up a fuel tank fully and drivers should have no concerns in doing so.”<\/p>\n\n\n\n

Modern vehicles are equipped with sealed fuel systems and emissions-control components designed to accommodate changes in temperature and pressure. While drivers should always follow standard fueling safety procedures, there is no evidence that simply filling a tank on a hot day creates the kind of danger sometimes described in online rumors. The more practical concern remains fuel consumption itself, as extended air-conditioning use and heavy traffic can reduce the distance drivers can travel on a tank of fuel. For motorists preparing for periods of extreme weather, monitoring fuel levels and planning ahead are far more relevant considerations than fears about tank safety.<\/p>\n\n\n\n

The Temperature Range Where Cars Perform Best<\/h2>\n\n\n\n

Fuel efficiency is influenced by temperature in ways that many drivers rarely consider. While freezing conditions are known to hurt performance because engines take longer to warm up and mechanical systems face greater resistance, extremely hot conditions can also reduce efficiency. Experts often point to a moderate temperature range as the point where vehicles deliver their best overall fuel economy.<\/p>\n\n\n\n

\n

Fuel Finder UK explains: “According to official fuel economy tests, your car’s efficiency drops by around 10% at -5\u00b0C compared to 20\u00b0C. For short trips under four miles, that penalty can reach 20% or more.”<\/p>\n<\/blockquote>\n\n\n\n

The comparison highlights how strongly weather can affect operating costs. Research cited by fuel-economy analysts suggests that temperatures around 15\u00b0C to 20\u00b0C often provide an ideal balance for vehicle performance. Once temperatures move well beyond that range, engines and cooling systems may need to work harder, reducing some of the efficiency gains achieved in milder conditions. During severe heat events, there is also increased concern about overheating risks, particularly for older vehicles or cars with existing cooling-system issues. Drivers heading into prolonged periods of hot weather are often encouraged to check coolant levels, monitor dashboard warning lights, and ensure their vehicles are properly maintained. Small preventative measures can help avoid both mechanical problems and unnecessary fuel expenses.<\/p>\n","protected":false},"excerpt":{"rendered":"

Petrol and diesel motorists are being urged to fill up their tanks before Tuesday, as experts warn that waiting could lead to unexpected issues for drivers.<\/p>\n","protected":false},"author":4,"featured_media":122008,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-122005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33","no-featured-image-padding"],"_links":{"self":[{"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/posts\/122005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/comments?post=122005"}],"version-history":[{"count":2,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/posts\/122005\/revisions"}],"predecessor-version":[{"id":122010,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/posts\/122005\/revisions\/122010"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/media\/122008"}],"wp:attachment":[{"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/media?parent=122005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/categories?post=122005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/en.econostrum.info\/uk\/wp-json\/wp\/v2\/tags?post=122005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}