Here are three EPA-legal ways to optimize the horsepower of a combine’s engine: 1. Make sure grain platform cutterbars are sharp and well-adjusted. Dull or out of adjustment sickles eat horsepower.

A dull kitchen knife, in addition to being very inconvenient, can, in fact, be very unsafe to use. When knives get dull, you have to apply much pressure in order to slice through the vegetable you are ...