Also, check air filters every few months to see if they are clogged a lot of times, debris from outside gets sucked into them, depriving proper airflow into the engine. If the driver's manual states 10W-30 as the recommended, do not use 5W-30! Keep the engine properly tuned, ensure the oxygen sensor is in good shape, and solve any failed emissions test right away. Keep vehicles in good shape–It is possible to improve gas mileage by 1-2% simply by using the recommended motor oil.Adhering to these principles can improve gas mileage by roughly 15% to 30% at highway speeds and 10% to 40% in stop-and-go traffic. Also, aggressive braking can have a toll on fuel efficiency because drastic drops in speed will only promote drastic increases in speed, on top of faster wear and tear on brakes. Try not to have as heavy a foot as steady acceleration is not only much safer but is more efficient and is kinder to the depreciation of the vehicle. Aggressive acceleration churns the engine harder, siphoning more oil. Don't be aggressive–Steadiness and consistency win the race when it comes to fuel efficiency.28% less efficient at 80 MPH (129 km/h).23% less efficient at 75 MPH (121 km/h).17% less efficient at 70 MPH (113 km/h).Relative to the optimal speed of 55 MPH, on average, a vehicle is: According to the Department of Energy, maintaining constant speeds using cruise control helps reduce unnecessary acceleration and deceleration, which improves fuel efficiency. Use cruise control when possible, such as on long, straight, and rural highways. Department of Energy, the optimal speed for fuel efficiency is 55 MPH, but this may vary depending on the given vehicle. When allowed by speed limits, 55 MPH (90 km/h) is best for gas vehicles–According to studies by the U.S. Also, ensure that wheels are properly aligned. It is best to consult the driver's manual (also usually available online) or the side markings of the tires to find the optimal PSI range. Rigidity in tires allows for greater frictional interaction between rubber and the road, imparting forward momentum. Tires–Under-inflated tires can lower gas mileage by 0.3% per PSI drop due to wasteful transfer of energy dissipating into the mushiness of the tires when they are underinflated.By powering all four wheels, the engine works harder to move a car the same speed at higher speeds. Overall, 4-wheel drive vehicles tend to be less fuel efficient than FWD or RWD. Drive a fuel-efficient vehicle–Please visit /feg/bestworst.shtml for the fuel efficiency comparison between different vehicles.If not viable, here are some pointers to getting the most fuel efficiency: Related Mileage Calculator | Fuel Cost Calculator How to Improve Gas Mileage?Ĭarpooling, public transport, or walking/bicycling are the best options for someone looking for the best possible gas mileage, or fuel efficiency.
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