fuel economy will improve as you log on the km on your brand new car
Premium gas has a higher resistance to engine knock in luxury and performance vehicles with turbochargers or high-compression engines, so you can hit that horsepower smoothly. Additionally, premium gas can increase fuel efficiency, potentially bringing better gas mileage for longer while decreasing emissions.
The Energy Saving Trust says that the most efficient speed you can travel in a car in terms of achieving the best fuel economy is 55-65mph. Any faster, though, and the fuel efficiency decreases rapidly. For example, driving at 85mph uses 40% more fuel than at 70mph (oh, and it's illegal too)
Cruise control can help you become more fuel-efficient and can help you save an average of 7-14% on gas thanks to its ability to maintain a continuous speed. In comparison, the constant change in acceleration and deceleration of the driver placing their foot over the pedals can eat more gas.
There are some items you should keep in your car, like an emergency kit. However, as little as 100 pounds can reduce your fuel efficiency. Clear out forgotten backpacks, sports equipment and extra books, and you’ll be amazed at how things add up.
Don’t forget about the outside of your car, too. Remove excess add-ons that increase wind resistance and decrease fuel efficiency, such as:
- Roof racks
- Cargo boxes
- Bike racks
Rear-mounted cargo boxes are a better option if you need to haul additional items. At highway speeds, roof-mounted cargo boxes can reduce fuel economy by 6 to 17%, while their rear-mounted counterparts typically have a 1 to 5% impact.
You may have noticed that many late-model vehicles already feature the stop-start system. This allows cars to conserve fuel by automatically shutting down the engine when the car comes to a stop. The engine automatically restarts when the brake is released.
Surprisingly, idling uses more fuel than restarting your car and gives off 80% more pollution than when your car is in motion. The next time you come to a stop and are waiting for someone, consider turning off your engine to save on fuel.
After reaching 45-50 mph, your car begins to lose fuel efficiency. And the faster you go, the worse it gets. It’s best to drive the speed limit and use cruise control when possible. Rapid acceleration and hard braking quickly eat up fuel, so avoid those actions whenever possible.
When your tires are underinflated, fuel consumption can increase by as much as 3%. Plus, without proper tire inflation, you risk wearing down your treads more quickly. Check your owner’s manual or the tire wall for the correct PSI for your tires.
Filthy air filters, spark plugs and connections can all affect your fuel economy. When you follow the maintenance schedule recommended by your dealership, your vehicle will be more efficient and produce fewer greenhouse gas emissions. Schedule regular tune-ups with your dealership to replace air filters, motor oil, tire rotations and more.