Introduction: The Wankel Engine Misconception

Contrary to the common misconception that Mazda has stopped making the Wankel engine due to its inefficiency and emissions, this article delves into the real story behind the engine's history and explores its potential future applications, especially in the realm of electric vehicles (EVs).

1. The Wankel Engine: An Overview

The Wankel engine, also known as the rotary engine, has been a subject of fascination due to its unique design that promises simplicity and efficiency. However, the engine's journey has been marked by both triumphs and controversies. While it is true that the Wankel engine has faced challenges such as inefficiency and emissions, these issues should be comprehensively analyzed.

2. Was the Wankel Engine Indeed Inefficient and Emissions-Intensive?

Historically, the Wankel engine's reputation of inefficiency and emissions has been based on certain operational parameters and comparisons with traditional reciprocating engines. However, modern advancements have significantly improved the engine's performance. The key to understanding the Wankel engine's efficiency lies in examining how it operates. Unlike the reciprocating engine, the rotary engine produces power more smoothly and with fewer moving parts, which can lead to lower friction and improved fuel efficiency.

3. Mazda's Decision to Discontinue the Wankel Engine

Mazda's decision to discontinue the Wankel engine is often attributed to its inefficiency and emissions. However, the company's decision was a strategic choice rather than a reflection of the inherent flaws of the engine itself. Mazda aimed to focus on more efficient and environmentally friendly technologies that align with the overall automotive industry’s direction towards hybrid and fully electric vehicles.

4. Why Not Use the Wankel Engine in Electric Cars?

While it might seem logical to integrate the Wankel engine into electric cars due to its unique design, there are several practical reasons why this concept has not gained widespread traction. First, the Wankel engine's smooth operation and high efficiency are advantageous for combustion engines. However, EVs operate on electric traction, eliminating the need for additional combustion systems. In essence, the integration of a Wankel engine with electric traction would introduce unnecessary complexity and potentially compromise the overall performance of the vehicle.

5. Other Emerging Technologies in the Automotive Industry

While the Wankel engine remains an interesting topic among enthusiasts, the automotive industry is also exploring other innovative technologies. For example, advancements in single-stroke engines and liquid piston engines are gaining attention. Additionally, research into Stirling engines, particularly those designed to burn hydrogen, and safe atomic power options like Thorium LFTR are considered future possibilities. These technologies offer unique advantages that could potentially revolutionize the way vehicles are powered.

6. Conclusion: The Future of Rotary Engines

In conclusion, while the Wankel engine has faced challenges, it has not been the sole reason for its discontinuation. The rise of electric vehicles and the industry's focus on sustainability have shifted the emphasis away from traditional combustion engines. Nevertheless, the rotary engine's unique characteristics continue to inspire innovation and promise. As technology advances, there may yet be a place for the Wankel engine in the future, especially in niche applications and further refinements of the technology.