Originally Posted by
asgelle
The proper definition of efficiency in the context of physics is work performed per unit of energy consumed. In cycling, work is done through the opposing forces of gravity, rolling resistance, and drag. If one increases CdA so the same amount of work is done against drag but at a lower speed, efficiency remains the same. The only time efficiency is relevant in cycling is when people pervert the definition to something else.
I'm defining "work" as a given distance for an amount of energy, sooooooo.... would I not produce more "work" e.g. "distance" for the same given energy expenditure if said energy is predominantly spent on hills and into headwinds?