Sure...but I also generate more horsepower. If I were to add a supercharger, or mill the heads or lengthen the stroke, I could increase the horsepower even more, but I know me and I wouldn't then apply the increased horsepower to run fuel economy tests against gasoline engines of the same horsepower, I would go out and get into big trouble.
I might add that none of my family members have ever been killed by farm terrorists from Iowa.