The Connecticut state tax on diesel fuel will decrease by 7 percent on July 1, according to a recent announcement from the Department of Revenue Services (DRS).

DRS officials announced at the end of May that the tax on diesel fuel would fall to 48.9 cents per gallon for the July 1, 2025, to June 30, 2026 annual period. In the previous year, the tax was 52.4 cents per gallon.

The decrease comes after several years of diesel tax hikes, including a 6.5 percent increase that went into effect on July 1, 2024. In 2022, the tax jumped by 23 percent.

In 2007, legislators passed a law giving DRS the authority to use a formula outlined in statute to annually calculate the per gallon tax rate for diesel fuel based on its sale or use in the previous twelve months.

The Connecticut Energy Marketers Association (CEMA) praised the announcement and said the decrease will likely benefit consumers. Though the decrease is on diesel, while most passenger cars use gasoline currently taxed at a rate of 52.4 cents per gallon, Herb noted that most freight trucks use diesel, and the savings in the tax could result in lowered consumer goods prices.

“Everyday essentials don’t magically appear on store shelves. They’re delivered by truck,” said Chris Herb, president and CEO of CEMA, in a press release. “A drop in the diesel tax means lower operating costs for the businesses that keep our economy running, and that relief will ultimately show up in the prices people pay at the grocery store or pharmacy or just about any other store.”

“This decrease comes at a critical time,” Herb stated. “With tensions rising in the Middle East and crude oil prices trending upward, a break on diesel costs provides some needed relief. It’s not just the trucking industry that benefits — it’s everyone who relies on the goods they deliver.”

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An advocate for transparency and accountability, Katherine has over a decade of experience covering government. Her work has won several awards for defending open government, the First Amendment, and shining...

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  1. OK so here’s the diesel deal tax lowered right before paving season begins its no coincidence nope it’s just plain old helping the truckers and the construction boys and girls get all hot and sticky with black gold asphalt it’s what’s for dinner and desert without this diesel all those workers and police who do traffic control would be home sleeping I find it quite funny that without diesel fuel basically the entire system would shut down except for the propane powered systems the nuclear systems and gasoline systems and etc etc tanks planes ships bombers drones? Nah well another day another dollar

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