As Diesel Prices Surge, Trump Administration Moves to Make Fueling Large Trucks Even More Expensive

The Trump administration finalized a rule weakening Corporate Average Fuel Economy (CAFE) standards for heavy-duty commercial vehicles, a move that will increase diesel dependence and fuel costs for truckers and consumers amid surging diesel prices. Sierra Club's Clean Transportation for All Director Katherine García criticized the decision as a giveaway to Big Oil, noting oil companies have earned over $125 billion in profits this year.

As Diesel Prices Surge, Trump Administration Moves to Make Fueling Large Trucks Even More Expensive Support CleanTechnica's work through a Substack subscription https://cleantechnica.substack.com/subscribe , on Patreon https://www.patreon.com/cleantechnica , or on Stripe https://cleantechnica.fundjournalism.org/contribute/ . Help us produce all of the high-quality, original content we publish week after week https://cleantechnica.com/2026/07/14/10/ despite the challenges of content-scraping AI, antisocial media, inflation, and other hurdles. WASHINGTON, D.C. — Today, the Trump administration finalized https://www.nhtsa.gov/press-releases/truck-engine-fuel-efficiency-rule-reversed a rule setting up a weakening Corporate Average Fuel Economy CAFE standards for heavy-duty commercial vehicles. Heavy-duty vehicles are responsible for a significant share of the transportation sector’s pollution. Weakening fuel efficiency standards will make it harder for trucking fleets to reduce their reliance on diesel, leaving truck drivers, businesses, and ultimately consumers more exposed to volatile fuel prices. The Trump administration is poised to finalize its roll back of the CAFE standards for light-duty vehicles, forcing drivers to pay more at the pump at a time of soaring gas prices. In response to today’s announcement about the heavy-duty fuel efficiency standards, Sierra Club’s Clean Transportation for All Director Katherine García released the following statement: “Leave it to the Trump administration to make things even more expensive at a time when diesel prices are soaring and families are already struggling with the high cost of everyday goods. This pro-polluter move is a blatant giveaway to Big Oil; oil companies have raked in more than $125 billion https://www.jec.senate.gov/public/index.cfm/democrats/2026/8/new-trump-gains-15-5-million-from-oil-gas-stocks-after-his-iran-war-gives-big-oil-sky-high-profits in profits so far this year. Weakening fuel efficiency standards for heavy-duty trucks means locking truckers and businesses into greater dependence on diesel and greater exposure to volatile fuel prices, costs that will ultimately get passed down to consumers. “More efficient trucks save fuel, reduce operating costs, and give our economy a stronger defense against volatile oil prices. This administration is once again making it harder for Americans to make ends meet during an affordability crisis. We need transportation policies that lower costs, protect public health, and move us toward a cleaner, more resilient economy.” Sign up for CleanTechnica's Weekly Substack for Zach and Scott's in-depth analyses and high level summaries https://cleantechnica.substack.com/subscribe , sign up for our daily newsletter https://mailchi.mp/cleantechnica/daily-newsletter , and follow us on Google News https://news.google.com/publications/CAAqLQgKIidDQklTRndnTWFoTUtFV05zWldGdWRHVmphRzVwWTJFdVkyOXRLQUFQAQ Have a tip for CleanTechnica? Want to advertise? Want to suggest a guest for our CleanTech Talk podcast? Contact us here https://cleantechnica.com/contact/ . Sign up for our daily newsletter for 15 new cleantech stories a day https://mailchi.mp/cleantechnica/daily-newsletter . Or sign up for our weekly one on top stories of the week https://mailchi.mp/cleantechnica/weekly-newsletter if daily is too frequent. CleanTechnica uses affiliate links. See our policy here https://cleantechnica.com/cleantechnica-editorial-ethics/ . CleanTechnica's Comment Policy https://cleantechnica.com/cleantechnica-comment-policy/