How to save fuel when driving? What should I pay attention to in rainy and snowy days?

As for how to drive the most fuel-efficient, I think safety first and fuel-efficient second. Here are some tips for saving fuel: 1. Start a smooth stop. When stopping to refuel, tread lightly. Braking suddenly and starting suddenly during driving are the taboos of saving fuel. If you slam on the accelerator when you see a gap, the fuel consumption will increase greatly, but in fact it will not be much faster. Fuel-saving tests show that stepping on the accelerator consumes 2 to 3 times more fuel than driving at medium speed. 2. Warm up the vehicle moderately within 1 minute after the vehicle is started. It is best to keep the car in the second and third gear and drive slowly for 3-5 kilometers to let the car warm up. It is undoubtedly a waste of oil to warm the car for a long time, while driving a cold car not only costs oil, but also leads to an increase in maintenance costs. 3. When driving a vehicle at a high speed and a low speed, try to shift into a high gear and keep driving at a low speed. Because the engine running at unnecessarily high speed is undoubtedly a waste of fuel consumption. The fuel-saving test shows that high gear and low speed are more fuel-efficient. When the car is driving at a constant speed of 50 kilometers per hour, it is driving in the second gear, and the fuel consumption is about13 km/l; Driving in the third gear, the fuel consumption is about18 km/l; Driving in the fourth gear, the fuel consumption is about 22 km/L. Driving at an economical speed according to the designed economical speed of the vehicle is another way to save fuel. Below or above this speed will only increase fuel consumption. 5. When you see the red light on or use the surplus power to get in and out of the expressway, slow down and use the surplus power of the engine to make the vehicle slide forward. If you accelerate to the last minute before braking suddenly, it will not only increase fuel consumption, but also aggravate the wear of brake pads. The fuel-saving test shows that this alone can save fuel by 20%. 6. Avoid idling the engine. Try to avoid idling when waiting in line, in traffic jam or waiting for someone. The fuel-saving test proves that the fuel consumption of the engine idling for 3 minutes can make the car run 1 km. Therefore, if the stay time exceeds 1 min, it will be closed. Precautions for driving in winter: clear the snow before driving. During or after heavy snow, the car body is often covered with snow. At this time, if you drive in a hurry on the road, it is easy to feel that there are glistening around, and the driver can't open his eyes. This is why many people are afraid to drive on the road. For the sake of safety, clear the snow on the windshield, headlights and rearview mirror in time before driving in snowy days. Because the line of sight is not very good in snowy days, the snow on the windshield is easy to freeze, which hinders the line of sight and endangers driving safety. In addition, it is best to wear sunglasses to protect your eyes when driving in snowy days. There are generally no frozen wheels in Shanghai. If there is a similar situation, you can dig out the snow and soil around the tire with a shovel to prevent damage to the tire and transmission parts. There are too many unpredictable factors in driving in snowy days, so driving slowly can give you more time to judge and make correct operations. Try to avoid sudden start, sudden braking and sudden steering, and all actions should be half a beat slower than usual. Especially when you leave the main road, turn right, cross the road and cross the intersection, you should pay more attention to pedestrians and bicycles. When climbing a steep slope in ice and snow, pay attention to the distance between the front and rear cars, hang the low gear and keep the throttle steady to climb up, and try not to shift gears halfway. Because the low gear itself has a large torque, the wheel speed is low when driving, and it is not easy to slip, which can effectively avoid being forced to stop on the slope for slope lifting or rolling due to insufficient strength. Try to avoid parking in the snow and avoid the difficulty of restarting the car. Because the line of sight is not good in snowy days, it is not easy to distinguish the real situation of the snowy road surface, so we should always observe the road ahead and the three rearview mirrors, and pay attention to the cars on both sides and in front, so as to make an earlier judgment. Try not to change lanes frequently. If necessary, turn on the turn signal first, then look at the road conditions through the rearview mirror before changing lanes.