Tour Engine – Efficient – Simple

Tour Engine has developed a novel high efficiency, ultra-low emissions, split-cycle engine with a thermal management strategy that reduces the magnitude of the two major efficiency losses in conventional engines – heat loss and exhaust energy lost.

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GREEN. EFFICIENT. AFFORDABLE. RESILIENT.

The Tour ENABLE – a cutting edge Combined Heat and Power (CHP) engine-battery hybrid energy system capable of powering a microgrid and creating industry solutions around the world.

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The Tour ENABLE offers substantial reduction in CO2 greenhouse gas emissions due to its higher efficiency and ability to make use of rejected heat. The Tour ENABLE is 50% more efficient than conventional generators. On the path to be first small engine-based system to be in compliance with CARB prime-power electric generation, due to its ultra-low NOx emissions. Additionally, the system is optimized for renewable biofuels providing a carbon neutral power and heat solution.

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GREEN. EFFICIENT. AFFORDABLE. RESILIENT.

GREEN. EFFICIENT. AFFORDABLE. RESILIENT.

The Tour ENABLE makes use of rejected heat enabling high efficiency along with very low carbon footprint. It boasts nearly 100% reduction of domestic energy use for electricity and hot water generation using significantly less fuel to run than a standard backup generator.

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The Tour ENABLE system is built using readily available components making it affordable and easy to adopt. It’s increased fuel economy enables it to become a cost effective solution. It also alleviates the need for a backup generator, water heater, and battery backup, while enabling integration of solar and wind energy sources. The Tour ENABLE serves as a Personal Power Plant for your home

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GREEN. EFFICIENT. AFFORDABLE. RESILIENT.

The Tour ENABLE microgrid can keep homes powered for months without the need for refueling, thus able to provide heat and power during extreme weather conditions and catastrophic events.

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GREEN.EFFICIENT. AFFORDABLE. RESILIENT.

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30%+ EFFICIENCY GAINS

$19.4 MILLION RAISED

48 PATENTS ISSUED

Reimagining Engines for a Sustainable Future

Tour Engine introduces a patented split-cycle internal combustion engine designed to transform efficiency and sustainability. By leveraging advanced thermal management, our technology delivers significant gains in fuel efficiency, dramatically reduces harmful emissions, and offers unmatched fuel flexibility.

Our mission is to launch a new generation of engines that combine high efficiency (low CO₂) with ultra-low NOₓ emissions, accelerating resilient power solutions for a cleaner future.

Tour Engine’s applications span power generation and mobility, providing a practical bridge to sustainable energy. With proven manufacturability, we enable industries to transition toward environmental responsible solutions without compromise.

Our first product, the Tour ENABLE, focuses on microgrid energy production, reducing fuel consumption and emissions while strengthening local energy resilience for communities worldwide.

ABOUT OUR COMPANY

MEET THE TEAM

70%

Today’s common internal combustion engines fail to turn about 70% of the fuel’s energy into useful work – that’s a problem.

THE TOUR ENGINE SOLUTION:

Help the environment and everyday people by creating a more efficient internal combustion engine. One that utilizes off-the-shelf parts and has the ability to enter markets with relative ease.

FORWARD THINKING ENGINEERING

Through superior thermal efficiency Tour Engine increases fuel economy and reduces carbon dioxide emissions as well as offering Low NOx – meaning this engine surpasses current standards and is ready for future environmental regulations across several industries.

OUR TECHNOLOGY

Designed for real world applications
& production options

Simple “Block and Piston” architecture paves the way for rapid commercialization & adoption, as well as inexpensive manufacturing and maintenance costs.

The Tour Engine is a platform technology that can be integrated into numerous applications and commercialized in multiple verticals, including power-generation, marine, and transportation.

REIMAGINE THE FUTURE WITH TOUR ENGINE

Tour is backed by sophisticated technology investors and has won grants from both the US DOE’s ARPA-E and The California Energy Commission (CEC) and Israeli (DOE) governments. Tour has also been issued 48 patents (US and International) with several more pending.