11 Easy Things You Can Do to Save Money on Gas Now

Gas prices are expected to stay volatile through 2026, with AAA warning of a seasonal shift toward rising prices that hits drivers hardest in spring and summer. Every fill-up adds up fast — but small habit changes and smarter shopping can cut your fuel costs by hundreds of dollars a year. Whether you're commuting daily or planning a road trip, knowing which nearby fuel stations offer the best prices is just the start. Here are 11 proven ways to save money on gas right now — let's get started!

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Summary Table

11 Easy Things You Can Do to Save Money on Gas Now

Below you'll find detailed information about each aspect, including important details and considerations.

1. Keep tires properly inflated

Underinflated tires increase rolling resistance, forcing your engine to burn more fuel to maintain speed — one of the simplest and most overlooked ways to cut fuel costs. According to the U.S. Energy Information Administration, tires underinflated by just 1 PSI can reduce fuel economy by 0.2%, adding up significantly over time.

Quick tips:

• Check pressure monthly and before long trips — tires lose ~1 PSI per month naturally
• Use the PSI listed in your door jamb, not the tire sidewall
• Properly inflated tires can improve fuel efficiency by up to 3%

2. Drive at optimal speeds

Fuel efficiency drops sharply above 50–60 mph because aerodynamic drag increases exponentially at higher speeds. Keeping highway speeds in the 55–65 mph range is one of the most effective ways to spend less at the pump, as fuel economy can fall by 7–14% for every 5 mph over 60 mph.

What to know:

• Using cruise control on highways maintains steady speed and avoids costly speed fluctuations
• Each 5 mph over 60 mph effectively adds roughly $0.18–$0.25 per gallon at current prices

3. Avoid hard acceleration and braking

Aggressive driving — flooring the gas then slamming the brakes — wastes the fuel energy you just burned and can reduce city fuel economy by up to 40%. Smooth, gradual acceleration and anticipating stops (coasting to red lights) keeps your engine working efficiently and directly reduces how often you fill up. If you're also looking for smarter car buying timing, pairing that with better driving habits compounds your savings even further.

Driving habits that help:

• Accelerate gradually — reach highway speed over 15–20 seconds rather than 5
• Leave 3–4 seconds of following distance so you can coast instead of brake

4. Minimize idling

Letting your engine run while parked burns fuel with zero miles to show for it — a direct drain on your gas budget. Modern engines warm up faster by driving gently than by idling, so shutting off the engine when stopped for more than 60 seconds is a simple habit that adds up to real savings over time.

Quick tips:

• Idling for 10 minutes burns roughly 0.1–0.5 gallons depending on engine size
• Turn off the engine at drive-throughs, school pickups, or long train crossings
• Remote starters feel convenient but can quietly waste a full tank each winter

5. Use air conditioning wisely

Running your car's A/C increases fuel consumption by up to 25%, making it one of the sneakier ways your tank empties faster in summer. At lower speeds under 45 mph, rolling down the windows is more fuel-efficient; at highway speeds, A/C actually beats the aerodynamic drag caused by open windows.

Fuel-saving habits:

• Park in shade or use a windshield sunshade to reduce interior heat before driving
• Vent hot air by opening windows for the first minute before switching to A/C

6. Combine errands

Planning multiple stops into a single trip cuts the total miles driven and reduces the number of cold engine starts — both of which directly lower how much you spend on fuel each week. A cold engine uses significantly more gas in the first few miles, so five short separate trips consume far more than one efficient loop.

Practical strategies:

• Map stops in a logical loop to avoid backtracking and extra miles
• Batch weekly errands into one or two dedicated trip days instead of daily drives
• Use grocery pickup or delivery for lightweight items to eliminate short cold-start trips entirely

7. Choose the most efficient vehicle

Driving a fuel-efficient car is one of the most impactful long-term strategies to cut your fuel costs. A vehicle rated at 35 MPG versus 20 MPG can save you $800–$1,500 annually depending on how much you drive. Hybrids and electric vehicles offer even greater savings, especially for high-mileage commuters.

Key considerations:

• Hybrids average 40–50 MPG vs. 25–30 MPG for standard sedans
• EPA fuel economy ratings at fueleconomy.gov help compare real-world costs
• Best for: Anyone due for a vehicle upgrade who wants lasting savings

8. Shop for cheapest gas

Gas prices can vary by 20–50 cents per gallon within just a few miles, so finding the lowest price nearby directly reduces what you spend at the pump. Apps like GasBuddy, Waze, and Google Maps show real-time prices at stations along your route, making it easy to avoid overpaying without going out of your way.

Notable perks:

• GasBuddy is free and crowd-sourced with up-to-date local prices
• Warehouse clubs like Costco and Sam's Club often undercut street prices by 10–20 cents/gallon

9. Join rewards programs

Fuel rewards programs let you earn discounts on every gallon simply by shopping where you already spend money. Grocery chains like Kroger and Safeway offer points-based systems where $100 in grocery spending typically earns 10 cents off per gallon, stackable up to $1.00+ off in some programs. Many credit cards also offer 3–5% cash back specifically at gas stations.

What you get:

• Kroger Fuel Points: up to $1/gallon off with qualifying purchases
• Shell Fuel Rewards: save at least 5 cents/gallon every fill-up

10. Use fuel discount credit cards

Fuel discount credit cards offer cash back or per-gallon savings every time you fill up, making them one of the most passive ways to cut your gas bill. Cards like the Costco Anywhere Visa offer 4% back on gas, while the Sam's Club Mastercard returns 5% — savings that add up fast for frequent drivers. Choose a card with no annual fee or one where gas rewards offset the cost.

Top picks to consider:

• Costco Anywhere Visa: 4% back on eligible gas (up to $7,000/year)
• Sam's Club Mastercard: 5% back on gas purchases
• Pay your balance monthly to avoid interest erasing your savings

11. Remove roof racks when empty

An empty roof rack creates aerodynamic drag that forces your engine to work harder, quietly increasing fuel consumption by up to 10–25% at highway speeds. Removing unused racks, cargo boxes, or bike carriers when not in use is a free, five-minute fix that directly reduces how much you spend at the pump. According to the U.S. Department of Energy, aerodynamic drag is one of the most significant fuel efficiency factors at speeds above 50 mph.

Quick facts:

• Cargo boxes alone can cut fuel economy by 2–8% in city driving, 10–25% on highways
• Storing racks off the vehicle costs nothing and requires no mechanical skill

Final Words

Cutting fuel costs doesn't require drastic changes — small, consistent habits add up fast. Start with one or two strategies from this list, and pair them with reducing your gas bills in other areas to maximize your savings.