Engine and Vehicle Concepts for Methanol-Gasoline Blends 831686

Blending methanol (MEOH) into gasoline results in the variation of the fuel properties, which are partially significant for the vehicle performance. Based on the modified fuel, necessary changes in the engine-vehicle concept are discussed including variations in the characteristics of the cars. Several steps of blending rates are considered: Low percentage in present production gasoline vehicles, medium rate up to 15 % and high values up to 60 % in modified concepts.
The most influencing factor proves to be the material compatibility, followed by hot driving problems (vapor lock).
Experiences with prototypes are discussed as well as larger test programs, e. g. the German Methanol Program with 1000 M 15 vehicles.


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