The problem

Alternatives to the classic combustion engines are more in demand than ever before. Hardly a day goes by without the threat of driving bans being reported in the media. Although the problems have been known a long time, real alternatives for all needs are not in reach. It needs a solution that is capable to solve a multitude of problems from an environmental and economic point of view.

Our Approach – The Solution

With CombiFuel® we deliver THE solution for the mass market. A technical innovation for second-hand and new vehicles with combustion engines. Universally applicable, from the smallest vehicle to a truck, from the generator to a ship’s engine. The cost-effective retrofit solution sets ecological standards and protects the wallet. Thanks to an emission reduction of up to 80% and a reduction in fuel costs of up to 40%, CombiFuel® will in future be the ideal investment for fleets and commercial vehicles. The product will be available exclusively in CombiFuel® stores. For this purpose, we have created an extremely attractive concept, which is interesting for both the technical requirements as well as financially for any established workshop operation.

The product

The CombiFuel® is an innovative and green liquefied gas plant. «CombiFuel®» is a newly developed drive system that runs on LPG, with the potential to leave a unique footprint both ecologically and economically. The plug-in technology was designed to be universally applicable to most combustion engines. The CombiFuel® propulsion system is an outstanding innovation and is currently the most technologically advanced beyond state-of-the-art.

CombiFuel® – breaks rules in a UNIQUE way

• A calorific value module detects the liquid gas mixing ratio e.g. (propane / butane); unique in the world.
• The gas system operates in master mode, the vehicle control unit in slave mode.
• The CFS control unit is fully OBD-compatible.
• The CFS control unit works adaptively.
• Plug and Play System, through the self-developed wiring harness.
• LAB 68 Fluid for the protection of the valve seat inserts.
• CFS LPG system control system does not allow manual switch-back to conventional fuel operation.
• Evaporator / pressure regulator TYPE 1 can be used up to an engine power of 750 HP.

CombiFuel® is universally applicable for all gasoline engines as well as for all diesel engines. So from the smallest vehicle to the 40-tonner. Thanks to a reduction in emissions of up to 80% and fuel costs of up to 40%, CombiFuel® will be the ideal investment for fleets and commercial vehicles in the future. CombiFuel® is certified according to the strictest UN ECE standards. Homologation for road traffic is based on one engine family. As a result, CombiFuel® can be used with immediate approval on all vehicles with the appropriate engine, without individual approval. A range of different engine families will already be available when CombiFuel® enters the market. This will ensure a broad coverage of around 400 different vehicle types.


At CombiFuel Swiss AG, innovative spirit is paired with decades of experience. Our engineers are true specialists in their field. They have a portfolio of know-how ranging from engine and injection technology to electronics, control technology and mechanical engineering. We work exclusively with suppliers who work according to the most modern standards in the automotive sector. Only in this way we will be able to produce this unique product. Together with our partners, we ensure that every CombiFuel® unit sets new standards in quality.

Core message

We at CombiFuel Swiss AG have oriented our daily work continuously to the needs of our target groups. Maximum compatibility, high performance, durable components and easy installation are our core values in development, production, distribution and installation of the system. Our entire value chain is designed to meet the latest ISO standards. In this way, we ensure an optimal and high-quality supply, in which every customer experiences the highest possible level of satisfaction in terms of quality and user-friendliness with CombiFuel®.