Is there a yellow fire truck in China? I don't know which country it is, because I saw the picture.

Among visible light, red light has the longest light wave and the smallest deflection angle, and easily passes through water layers, raindrops, dust and fog. Orange and yellow light is not afraid of obstacles and can penetrate the objects above. Therefore, the fire truck is painted red so that people can see it from a distance in foggy, dusty or stormy weather and make way for it so that it can complete the fire fighting and emergency rescue tasks as soon as possible. Fire engines in most countries are red. Because it is the most eye-catching and can be seen from a distance. However, according to the investigation of New York Transportation Department, there were 654.38 million trips and 32 accidents of red fire engines. If the fire truck is painted more brightly yellow, the number of accidents is only 14.5 for every 654.38+10,000 trips, which is down by more than half. Because the light color will make the outline of the car look bigger and feel closer to yourself, which is conducive to traffic safety. So they advocate painting the fire truck yellow. However, the fire department is firmly opposed to this, because yellow can make people feel calm and reduce the efficiency of fire fighting, while red can stimulate morale and make people excited.

The fire department in China may also have this consideration, so the fire engines in China are basically red. Then why did I say that there are yellow fire engines in China? Because all the armed police fire brigades in China use red fire trucks, some enterprises have their own fire trucks (such as paper enterprises), and the fire trucks of these enterprises may be yellow to distinguish them from those of the armed police fire brigade.