Do fuel additives improve gas mileage?

According to the United States Environmental Protection Agency (EPA)'s list of the 2024 Most and Least Efficient Cars, the Mazda MX-5 is the most fuel-efficient ... Oct 24, 2008 ... I hear high ethanol gas (ie Ultra 94) is not good for our cars - so where does everyone fill up? Shell Premium V-Power? Esso Premium? Petro ... Today's AAA National Average. $3.180. Price as of 5/2/25. USA Map. National Retail Prices. 4.773 to 3.304. 3.303 to 3.106. 3.105 to 2.998. 2.997 to 2.889. Feb 27, 2019 ... 1986 Honda Civic Coupe HF: 46 MPG Combined ... In 1986 the Civic Coupe HF was the compact economy car to own. Practical, fun to drive, and hit 42 ... Jun 11, 2024 ... Just because you want a car that's fuel efficient doesn't mean you have to settle for something boring. These are the most fun cars that get ... Feb 19, 2025 ... * Carryover vehicle. Fuel economy based on 2024 EPA data. SUVs With The Best Gas Mileage in 2025. PHEVs: 2025 Kia Niro Plug-in Hybrid ... Stepping up to the NX Hybrid means you'll enjoy similar fuel economy combined with impeccable styling, interior refinement, and revolutionary technology. For 2025, the Hyundai Elantra Hybrid takes the 1st place price for best city, highway, and combined fuel economy, coming in at a combined 54 mpg. The Elantra ... In this guide, we'll explore the top most fuel-efficient rides, whether you're eyeing the best hybrid vehicles, plug-in hybrids (PHEV), or traditional gasoline ... Shell 91 is tried & true the best gas you can get at the pump here. No ethanol content which is good, keeps our motors happy. Husky 94 & Petro Canada 94 are ...