Is coasting in neutral or in gear more fuel-efficient?

[McHaley]

In recent years, coasting in gear is more fuel-efficient than coasting in neutral for cars. Here is a brief introduction to fuel-saving methods for cars: 1. High-speed driving, do not open windows: When driving on highways, the driving resistance caused by air flow is already significant. Opening windows at this time will further increase air resistance, not only causing vehicle instability but also consuming more fuel. 2. Wax more: When conditions permit, regular waxing of the car not only helps resist harsh weather but also aids in reducing fuel consumption. 3. Moderate warm-up: Under low-temperature conditions in winter, directly starting the engine not only causes significant wear to the engine but also leads to starting difficulties due to excessively low temperatures, incomplete gasoline combustion, and increased fuel consumption. The correct method is to preheat the engine to an appropriate temperature before starting. Additionally, since the engine consumes a lot of fuel when cold, the warm-up time should not be too long during cold starts; it is recommended to be around one minute. If there is no time for warm-up, you can let the car drive slowly for one or two kilometers to achieve the warm-up effect.