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Finland is making ‘bubble engines’ — Better than hydrogen and more HP than Ferrari

by Juliane C.
May 23, 2025
in Mobility
Bubble engine

Credits: Donut Lab

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Have you ever heard about Donut Lab? The new Finnish startup has been the talk of the town among automotive enthusiasts with its futuristic and innovative projects. With its latest launch, Donut Lab has surprised the public with an engine that promises to outperform brands like Tesla and BMW. Faster, more powerful, and more economical than even a Ferrari, these are the characteristics of the engine that will revolutionize the industry. Discover what this new engine is and what makes it so special.

A surprising and innovative engine concept from Finland

A major concern of the automotive sector in recent times is to produce new forms of less polluting energy for its engines. However, with the growth of electric engines, which are the strongest bet for this energy transformation, problems like improving the performance of cars without the need for very complex systems to transmit energy to the car start to emerge. And that’s where Donut Lab comes in with a completely innovative project.

Donut Lab has created an electric engine that is completely different from anything you’ve ever seen, and they promise to considerably increase the car’s performance with their strategic position. The brand has launched an engine that has a circular shape – “bubble engines” or “donut-shaped” – fitting perfectly into an uncommon place: the wheels.

The great innovation of an engine in this format is that it is designed to be interconnected to the car’s wheels, so it takes up less space in the car, is lightweight, and allows for better energy transfer to the wheels, a fundamental part of the car.

“Bubble engines”: Clean energy and less complexity

Electric engines already aim to be less polluting options, but “Bubble engines” are very different from regular electric vehicles, because they are even more efficient when we talk about energy consumption. The math is very simple: because it is small and lightweight, less energy is consumed for its to move, and because it is placed on the wheels, the whole process increase the car’s performance with less energy consumption.

This circular and compact design for the engine brings some great benefits when implemented, not only because it will be economical in production, since there are fewer parts, less maintenance will be necessary. But it’s also an incredible cost-benefit to consumers, as the engine can last for years, even longer than the life of the car itself.

While many companies still face challenges with the high costs of producing hydrogen-powered cars, or even regular electric cars, in search of more sustainable and clean forms of energy for automobiles, Donut Lab scores points with its innovative engine, that are more sustainable from manufacturing to use, generating less environmental impact.

Performance that impresses, even for supercar fans

If the idea of an electric engine interconnected with the car’s wheels still seems simple to you, prepare to be surprised by some shocking information: Donut Labs’ most powerful engine can produce 845 horsepower, which is more than some Ferraris.

This may seem exaggerated, but the explanation is that, in some tests, the company identified that because the engine is attached to the wheel, it does not lose energy along the way, making the car have more instant torque and more acceleration than sports cars.

The model is still in its early stages, and the company’s idea is that the small engines’ power will be distributed throughout the wheels, giving greater control of the car, despite all the acceleration power, to ensure the safety of the driver and passengers.

The idea is that, in the coming years, there will be many cars with “bubble engines” spread around the world, ready and accessible to everyone. Donut Lab is building an amazing future with power, sustainability, and technological innovation. If you thought that regular electric cars were the future of automobiles, keep an eye on Donut Lab and its inventions.

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