EPA’s new Tier 4 emission requirements are having some unexpected benefits for farmers and ranchers. As Caterpillar’s Joel Grimes explains in this interview at the National Cattlemen’s Beef Association in Nashville, Caterpillar’s new 924K Series Small Wheel Loader is providing a 15 to 20% fuel burn reduction due, in part, to the new engine it features. The Series K machines will be available this spring.