Is driving below 60 km/h fuel inefficient?
2 Answers
Driving below 60 km/h is not fuel inefficient; generally, a speed of around 80 km per hour is considered more fuel-efficient. Fuel-saving tips for starting the vehicle: Before starting a cold engine, it's advisable to warm it up appropriately, then begin driving at a low speed. In winter, the warm-up time can be extended to about 3 minutes, while in summer, one minute of warm-up is sufficient before driving. The entire warm-up process should occur while the vehicle is moving slowly. Fuel-saving through proper maintenance: Regularly change the engine oil, check the fuel, air, and oil filters, as well as tire pressure. Neglecting the maintenance of the engine and polyethylene filters can increase fuel consumption by approximately 10% to 20%.
Driving below 60 km/h can indeed be more fuel-consuming, as from my driving experience, car engines operate less efficiently at low speeds. When the speed drops very low, such as frequent acceleration and braking in congested urban roads, the engine requires more fuel to maintain RPM, leading to increased fuel consumption. It's like the starting phase of running; you expend more energy but move less. I've found that most cars achieve optimal fuel efficiency between 60 to 80 km/h, where wind resistance is low and the engine runs smoothly. It's advisable to maintain a steady speed in city driving, avoid sudden acceleration, and check if tire pressure is standard to reduce extra friction-caused fuel waste.
