What are the reasons for the ban on Mazda's rotary engine?

1 Answers

AddysonDella

07/29/25 3:20pm

Here is an introduction to the reasons for the ban on Mazda's rotary engine: 1. The uniqueness of the rotary engine: Unlike traditional reciprocating piston engines, the rotary engine eliminates reciprocating linear motion and instead directly drives the triangular rotor rotation through gas thrust. This significantly reduces power loss in the engine and shortens the path of power transmission. Additionally, rotary engines offer advantages such as smaller size, lighter weight, lower center of gravity, faster and more stable operation (allowing the engine to reach speeds of up to 20,000 rpm). 2. Complex interests among automakers: Since automakers have already invested substantial financial and material resources into traditional reciprocating piston engines, shifting focus to the less certain prospects of rotary engines—without fully mastering reciprocating piston engines—does not bring optimal benefits to automakers. Moreover, with increasing environmental awareness, rotary engines also fail to meet environmental protection requirements.

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No. If the front wheels of the vehicle just cross the stop line when the light is red, and the vehicle stops immediately without moving further, it will not be considered as running a red light. However, if the vehicle continues to proceed in violation of the rules, it will be deemed as running a red light, resulting in a 6-point deduction. If the vehicle completely crosses the line and stops only after fully passing the stop line, affecting the passage of other vehicles and pedestrians, it will be penalized for crossing the stop line, typically resulting in a 3-point deduction and a fine. Crossing the stop line can be divided into two scenarios: the front wheels crossing the stop line, or the entire vehicle crossing the stop line. The "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" Article 38 states: Motor vehicle signal lights and non-motor vehicle signal lights indicate: When the green light is on, vehicles are permitted to proceed, but turning vehicles must not obstruct the passage of straight-moving vehicles or pedestrians. When the yellow light is on, vehicles that have already crossed the stop line may continue to proceed. When the red light is on, vehicles are prohibited from proceeding. When the red light is on, right-turning vehicles may proceed if they do not obstruct the passage of other vehicles or pedestrians. At intersections without non-motor vehicle or pedestrian crossing signal lights, non-motor vehicles and pedestrians should follow the motor vehicle signal lights. The new traffic regulations clearly define three necessary conditions for a vehicle to be considered as running a red light: The vehicle illegally crosses the stop line. The vehicle illegally enters the intersection. The vehicle illegally crosses the opposite stop line. Electronic police (traffic cameras) capture three complete video images to determine a vehicle's violation of running a red light: an image of the vehicle's violation moment, an image of the vehicle's license plate recognition, and a panoramic image. There are three scenarios for determining whether a vehicle is running a red light while driving: If the vehicle's front wheels cross the stop line or both front and rear wheels cross the stop line but the rear of the vehicle has not yet crossed the stop line, and the vehicle stops immediately, traffic police will not penalize it as running a red light, but may penalize it for improper parking. If the vehicle's front wheels cross the stop line, regardless of whether the entire vehicle has fully crossed the stop line, and the vehicle stops and then reverses, being captured by traffic cameras with two complete movement images, it will be treated as running a red light, resulting in a 6-point deduction and a fine. If the entire vehicle fully crosses the stop line and stops or continues to proceed, and within one red light cycle, the traffic cameras capture three complete images constituting the violation of running a red light, regardless of whether the vehicle proceeds to the intersection or crosses the opposite stop line, it will be penalized as running a red light, resulting in a 6-point deduction and a fine. Article 2 of the "Measures for the Scoring Management of Road Traffic Safety Violations" states: Driving a motor vehicle in violation of traffic signal lights will result in a 6-point deduction. However, not all situations will lead to a 6-point deduction. For violations such as making a left turn from a straight lane, the penalty will follow the "Road Traffic Safety Law," which imposes a 3-point deduction for violating prohibition signs. Additionally, red light violations recorded by cameras will only result in a fine without point deductions.

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