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When I researched about fuel economy for my ENGL 104 class, I found out that obesity accounts for about 3 days of fuel usage every year! It only accounts for the effects of extra weight. The extra weight not only increases the mass to accelerate as well as rolling resistance, but also slightly alters the aerodynamics by compressing the suspension springs. I remember reading about a Prius owner complaining about losing mileage when he had to carpool with an obese coworker - he normally gets 60 MPG, but that time, he only got 52 MPG.
Oh, and a heavy foot on the pedal isn't good for MPG either!
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If America manages to eliminate obesity, we would save as much fuel as if every American were to stop driving for three days every year. To be slender like Tiffany Yep is to be a real hypermiler...
Allie Moore and I have a combined carbon footprint much smaller than that of one average American...
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