Future Biofuels and Driving Concepts for Agricultural Tractors
Ettl, J., Thuneke, K., Remmele, E., Emberger, P., Widmann, B.
Based on an expert workshop and experimental results of studies with pure plant oil fuelled tractors, this work shows the state of the art of renewable energy sources for agricultural machinery, such as pure plant oil fuel, biodiesel, bio-methane, hydrogenated vegetable oil (HVO), hydrogen for fuel cells and plug in electrical power systems. For gaseous fuels compared to liquid fuels, the energy content of a filled tractor tank is significantly lower and additionally the number of filling stations is small. Pure electric or hydrogen based powered tractor concepts have not reached any considerable level of development yet. In short or medium term especially pure plant oil fuel and biodiesel are rated to substitute fossil diesel in tractors, reduce greenhouse gases and increase regional added value significantly. Field tests prove that plant oil fuel and biodiesel have reached the highest technical level of development, regarding renewable fuels with an existing infrastructure. Long-term studies on plant oil fuelled tractors confirm high operational reliability, low engine wear, advanced emission behavior and good compatibility to exhaust gas after-treatment technology. Plant oil fuel is particularly suitable for regional production on a smaller scale with high added value.
emissions, operation and maintenance, rapeseed oil, vegetable oils, liquid biofuel, alternative fuel vehicle
Biomass Conversion Technologies for Intermediates, Liquid and Gaseous Fuels, Chemicals and Materials
22nd European Biomass Conference and Exhibition
1198 - 1203
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