Centre at TU Graz: Consortium conducts research on CO?-free small engines

In the RC-LowCAP project, an international research consortium is working on the

In the RC-LowCAP project, an international research consortium is working on the decarbonisation of drive systems for hand-held implements, vehicles for individual mobility and light commercial vehicles; © Lunghammer - TU Graz

Under the leadership of TU Graz, researchers are working on the development of CO?-free fuels and hybrid propulsion systems for small engines.

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Whether mower or power saw, hedge trimmer or leaf blower, hand-held, motorised working tools make working in the garden easier and are thus being increasingly used. However, these applications also contribute to the global CO2 emission like passenger cars.

A consortium of scientific institutions and industrial companies meets this development and is conducting research ion the decarbonisation of small powertrains in the especially equipped ’Research Centre for Low Carbon Special Powertrain’ (RC-LowCAP) within the next four years. Beside powertrain systems for the above-mentioned applications, drive trains for so-called personal mobility vehicles (motorcycles, quads and power-sports vehicles) and powertrains for light commercial vehicles are also put into this category.

Research on the use and influence of CO2-neutral fuels

"The use of CO2-free fuels by special powertrains is an overarching research field," explains Stephan Schmidt from the Institute of Internal Combustion Engines and Thermodynamics at TU Graz. The leader of the consortium knows, however, that it will take "a few years until such fuels come onto the market"’. For this reason researchers are meanwhile dealing with ’transitional fuels’, which already have a high content of CO2-neutral components and will be available earlier. "Of special interest for us are the advantages and disadvantages of these fuel mixtures with respect to conventional fuels. This allows drawing conclusions about how engines and exhaust systems have to be built in the future," says Stephan Schmidt.

Expansion of hybrid drive technology

Research in the area of hybridisation in turn should contribute to using hybrid drive systems in small appliances and vehicles for individual mobility. There is practically no hybrid system on the market in this segment. For Schmidt, the reasons are complexity, heavy weight and excessively high costs. "Whereas the potential in the passenger car area is being slowly exhausted, there is still much more room for expansion in non-automotive powertrains." Also, the spotlight should be increasingly shone on the use of electric powertrain components in the case of light commercial vehicles.

Development of the research and production location of Austria

In addition to application-based research, the project also comprises fuel-relevant basic research, CO2 life-cycle analyses in early development phases and basic-research relevant investigations in the areas of sensor systems and control systems.
Schmidt continues: "The COMET Project aims to strengthen the research and production location of Austria in the niche sector of special powertrain systems, increase our international reputation, and make Austria more attractive for highly qualified employees in research and development."

Cooperation partners

At TU Graz: (Lead), ;
further scientific partners: , ;
Company partners: , , , , , , , and.

This project is anchored in the Fields of Expertise " " and " ", two of five strategic research FoE of TU Graz.

Institute of Internal Combustion Engines and Thermodynamics
Inffeldgasse 25B, 8010 Graz, Austria
Tel: +43 316 873 30153
E-Mail: schmidt @ivt.tugraz.at

Graz University of Technology
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8010 GRAZ
Phone: +43 316 873 0
Fax: +43 316 873 6009
E-Mail: info @tugraz.at

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