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Reader Comments for
Subscribe to this threadGeneva '08 Preview: Saab 9-X BioHybrid details revealed
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Student Driver @ Mar 1st 2008 11:25PM
This is one huge upshot for E85: different explosive characteristics. While it isn't all that efficient in an engine designed for normal gasoline and tolerant of E85, it will let you run quite a bit higher cylinder pressures and lower displacement if an engine is designed for the fuel (hence being more efficient). Of course, it will probably drop to 150hp with regular gas (or even lower), but that would still be respectable for an engine of that size in a production car.