Quote:
Originally Posted by fearlessjoe
..... if an engine can get that kinda millage.... it was 97 or whatever uk .... dunno what that is in us,,, its the same engine they used to set a 141mpg record..... that was probably set a steady 30mph on an oval but my point is the engine must be supper efficient .... seems like a good start for an streamlined bike or trike
also emissions dont even get tested for bikes over here
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Keep in mind an engine that seems to be efficient in a car may not translate to higher efficiency in a bike. The reason is all engines are more efficient when loaded, and putting a more powerful engine in a lighter vehicle reduces the load on the engine, so for the same load a smaller engine is generally more efficient.