<body><div>CINCINNATI (WXIX) - Automotive experts say plug-in “fuel saver” devices that promise to cut fuel consumption by as much as 15% offer no measurable benefit and may harm vehicles.Average gas prices are $3.77 per gallon in Cincinnati, $3.79 across southeastern Indiana and $3.93 in Northern Kentucky.<h2>Drivers react to pump prices</h2>“Too high, it’s way too high,” said local driver Kenneth Smith. “If you got to pinch every penny in life just to have some kind of enjoyment in life, more than work, there’s a problem.”Debashis Pal, an economics professor at the University of Cincinnati, said inflation has pushed up costs across the board. He said gasoline has a different effect on consumers.“Mentally, that has a much higher impact — how frequently we are dealing with the high price,” Pal said.<h2>Devices promise lower fuel use</h2>Dozens of aftermarket “fuel saver” devices sold online promise to cut consumption by as much as 15-20%. Most plug into a vehicle’s 12-volt outlet or the onboard diagnostics (OBD2) port, which mechanics use to access engine data.Bob Kazmierczak with AAA researched the claims.“There’s just a lot of adjustments it is trying to make to the car, but I did some research on these things, and what I am finding is there is zero to no measurable increase in fuel mileage,” Kazmierczak said.<figure><img src="https://img.particlenews.com/image.php?type=thumbnail_580x000&amp;url=2pKIEP_1GuecQ1U00" alt="https://img.particlenews.com/image.php?url=2pKIEP_1GuecQ1U00" width="1300" height="787" ><figcaption>AAA and a mechanic warn the aftermarket gadgets, which promise savings, may cause harm to vehicles (wxix)</figcaption></figure><h2>Mechanic advises against the devices</h2>Larry McIntosh, general manager at AAA Auto Care, said the devices may cause harm.“Stay away from them,” McIntosh said. “Most of the aftermarket plug-and-play things, it changes the way the car is designed to run.”McIntosh recommends vehicle maintenance routines to improve fuel efficiency:<ul><li>Tire care: Keep tires properly inflated and aligned to minimize rolling resistance.</li><li>Engine maintenance: Replace dirty air filters and address carbon buildup.</li><li>Driving habits: Use cruise control when weather and highway conditions permit, avoiding unnecessary braking and acceleration.</li></ul>“Over time, that can add up a lot,” McIntosh said. “It may be a penny or two here, but add that up over a year’s time and that’s quite a bit of money.”<h2>Price outlook</h2>Pal said global factors, particularly stabilizing oil supplies from the Middle East, could help push pump prices back toward $3 per gallon by next summer.“Gasoline price has gone up and down throughout our history,” Pal said. “So we should not think that it will stay high forever.”See a spelling or grammatical error in our story? Please click here to report it.Do you have a photo or video of a breaking news story? Send it to us here with a brief description.</div></body>

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CINCINNATI (WXIX) - Automotive experts say plug-in “fuel saver” devices that promise to cut fuel consumption by as much as 15% offer no measurable benefit and may harm vehicles. Average gas prices are $3.77 per gallon in Cincinnati, $3.79 across southeastern Indiana and $3.93 in Northern Kentucky. Drivers...

Fuel saver devices may harm vehicles, experts warn

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CINCINNATI (WXIX) - Automotive experts say plug-in “fuel saver” devices that promise to cut fuel consumption by as much as 15% offer no measurable benefit 

Fuel saver devices may harm vehicles, experts warn

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