STIHL and Haltermann Carless have joined forces to introduce MotoMix 100, a new-generation fuel designed for two-stroke engines. Made from biogenic and certified bio-circular feedstocks, this innovative fuel aims to reduce greenhouse gas emissions while maintaining the performance and reliability expected by professional users.
A New Approach to Fuel for Two-Stroke Engines
As part of its ongoing commitment to innovation and environmental responsibility, STIHL is taking another step towards more sustainable power solutions with the launch of MotoMix 100.
Developed in partnership with Haltermann Carless, an international specialist in hydrocarbon-based products and advanced fuels, this ready-to-use fuel is specifically formulated for two-stroke engines.
Unlike conventional fuels derived entirely from fossil resources, MotoMix 100 uses alternative feedstocks, combining renewable biological materials with certified bio-circular raw materials.
Its composition includes:
- 55% biogenic feedstocks, sourced from ISCC-certified materials.
- 45% certified bio-circular feedstocks, allocated through the ISCC mass balance approach.
This combination offers an alternative to fossil-based raw materials while making use of existing fuel production infrastructure.
Up to 60% Lower Greenhouse Gas Emissions
One of the key benefits highlighted by STIHL and Haltermann Carless is the potential reduction in greenhouse gas emissions.
According to the companies, MotoMix 100 achieves a 60% reduction compared with the reference value for conventional fossil petrol, set at 73.4 g CO₂e/MJ under the European Renewable Energy Directive (EU 2018/2001).
This figure relates specifically to the tank-to-drive stage rather than the entire fuel life cycle, an important distinction when assessing its environmental performance.
Nevertheless, this development represents an interesting opportunity to reduce the carbon footprint associated with petrol-powered equipment still widely used in forestry, landscaping and professional grounds maintenance.
Performance and Engine Protection Remain Priorities
Environmental improvements are only meaningful if they meet the practical requirements of professional users.
STIHL states that MotoMix 100 has been developed to maintain the performance and reliability associated with its established MotoMix fuel.
The ready-to-use formulation is designed to provide reliable engine operation, effective lubrication and clean combustion, helping to minimise deposits and maintain engine cleanliness.
It is also ethanol-free, with particularly low levels of olefins and aromatic compounds.
These characteristics are intended to support engine protection, ease of use and reliable operation in demanding working conditions.
STIHL and Haltermann Carless: A Partnership for More Sustainable Fuels
The launch of MotoMix 100 builds on the long-standing cooperation between STIHL and Haltermann Carless.
By combining STIHL’s expertise in outdoor power equipment with Haltermann Carless’s knowledge of specialist fuel development, the two companies are exploring new ways to improve the environmental performance of combustion-powered machinery.
Although battery-powered equipment continues to gain ground across the professional landscaping and forestry sectors, combustion engines remain essential for many demanding applications.
Renewable and bio-circular fuels could therefore provide a complementary solution, helping to reduce the environmental impact of existing equipment without requiring an immediate transition to entirely different technologies.
A Special Launch for STIHL’s 100th Anniversary
The introduction of MotoMix 100 comes in 2026, the year STIHL celebrates its 100th anniversary.
Launched as a special Centennial Edition, the new fuel highlights the company’s intention to pursue innovation across all power technologies.
Beyond battery electrification, STIHL is also exploring how alternative fuels can contribute to a more sustainable future for professional outdoor power equipment.
With MotoMix 100, STIHL and Haltermann Carless are opening up new possibilities for two-stroke engine technology, combining renewable feedstocks, reduced greenhouse gas emissions and the performance requirements of professional users.
An important clarification: the term « 100 » does not mean that the fuel is composed of 100% biogenic raw materials in the strict sense. It refers to a formulation based entirely on bio-based or bio-circular raw materials, consisting of 55% biogenic resources and 45% bio-circular resources, allocated according to the mass balance method.
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