I really like the math on the "mpg" of human powered modes of transportation. Most avid cyclist ride bikes for adventure, fun and/or camaraderie. Since I become a grown-up, I can't remember the last time I rode a bike to get from point A to point B.
I ride for a combination of fitness, fun and adventure. The fellow that wrote the blog about human MPG was equating a gallon of lard with gallon of gasoline as equivalent human fuel compared to car fuel. The "real" cyclist that I know, which includes a few pros, will tell you that bike fuel is beer! Of course, these guys and gals they fill their fuel tanks after the ride.
Now, beer is not part of a sensible weight-loss program. However, the calories burned during competitive events such as the Leadville 100 mile mountain bike race cannot easily be replenished without consumption of beer and pizza!
I've read the bicycle is the most efficient machine ever invented. Good to know that you're getting nearly 300 mph when riding around town. And remember, there's no environmental downside to fueling your commute with food. Even electric cars have an environmental downside. (I live in an area that's primarily hydropower and wind power, with a little nuclear. While hyrdro & wind are clean and renewable, we're learning the impact they have on fish and bats.) physics.ucsd.edu/do-the-math/2011/11 /m pg-of-a-human/
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