Electric cars were never meant to be the final answer — just the first step. While EVs dominate headlines and city streets, engineers around the world have quietly pushed forward with alternatives that sidestep the limitations of batteries entirely. Chief among them: hydrogen combustion engines. Cleaner than gasoline, faster to refuel than electric, and now backed by serious performance numbers, the tech once written off as a science fair experiment is showing real returns of investment.
Hydrogen engines are the evolution?
The comeback isn’t just conceptual — it’s competitive. As battery-electric vehicles struggle with weight, range, and rare-earth dependencies, hydrogen internal combustion engines (H₂‑ICE) are moving from lab benches to racetracks. With new breakthroughs in water injection and thermal efficiency, some prototypes are already challenging the torque and acceleration of industry leaders like Tesla and BYD. The numbers aren’t modest — and they’re starting to make the EV crowd sweat.
This shift isn’t happening in a vacuum. After years of investment in electric platforms, the automotive world is now split between doubling down on batteries or embracing cleaner fuels that use the infrastructure already in place. And in the middle of that tension, one new engine has taken center stage — not just because of how it runs, but how fast.
Hydrogen power has long been considered a sustainable alternative in the automotive world, but motorsports has yet to fully tap into its potential. That may be about to change. In 2022, AVL RACETECH—the motorsport division of the engineering firm AVL—unveiled a prototype H₂‑ICE -powered internal combustion engine (H₂-ICE) that could redefine what’s possible on the track.
Performance is the goal for new hydrogen powered racecar
The 2.0-liter turbocharged engine delivers performance comparable to modern gasoline racing engines while emitting zero carbon from the tailpipe. It’s the first racing engine AVL RACETECH has ever designed and built entirely in-house.
Most hydrogen engines use lean-burn combustion, trading power for lower emissions. AVL took a different approach. By opting for a slightly lean-burn setup, they achieved a specific output of 150 kW per liter—on par with today’s high-performance racing engines.
One key innovation is the engine’s water injection system. Injecting water into the intake air allows for increased boost pressure while keeping the combustion chamber cool. That prevents pre-ignition and enables the engine to deliver up to 369 lb-ft of torque between 3,000 and 4,000 RPM. Backed by AVL’s advanced simulation and 3D flow modeling, the system maximizes efficiency without compromising reliability.
“Realizing performance values at motorsport level with a H₂‑ICE internal combustion engine is an incredibly complex technical challenge,” said Paul Kapus, project manager at AVL RACETECH. “But our prototype proves it can be done.”
Testing phase pushed the engine to reach hundreds of HP
During testing at AVL’s Graz facility, the engine hit 410 horsepower and 6,500 RPM—clear evidence it’s ready for competition. And because it behaves similarly to gasoline engines, it’s a realistic option for customer racing teams, without the added complexity or cost of fuel cell systems.
While still a prototype, the engine signals a new direction for motorsport’s green future. H₂‑ICE combustion engine could offer a practical bridge between traditional engines and electric drivetrains. Unlike EVs, hydrogen engines can leverage existing infrastructure and require fewer changes to current platforms.
Other projects focus on performance
The technology isn’t just clean—it’s thrilling. And AVL RACETECH’s H₂‑ICE engine is proof that zero emissions doesn’t have to mean zero performance. Toyota is also another manufacturer actively involved in using H₂‑ICE in performance vehicles. Recently, their engine powered the Dakar rally and the competitors had great numbers – second overall running with water in the engine with two experienced race drivers behind the wheel.
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