Ever wondered whether walking was more resource efficient than driving? Although we know we poop more when we exercise, this chart finally helps us to answer that question a bit more scientifically.It turns out the human body is an extraordinarily efficient machine — much more so than even the most efficient car. Which gets us to wondering — shouldn't we be running our cars on people or Soylent Green?
While we ponder that question — take a look at the full chart here.
Source;
http://jalopnik.com/5165228/cars-vs-people-whats-more-fuel-efficient
