The phrase "polar vortex" was introduced to all of us recently as temperatures plunged to the below-zero-degree Fahrenheit range. These are not weather conditions you would want to spend much time in.
Some folks, however, don't have much choice. Farmers and ranchers still have livestock to feed even when the mercury drops to these frigid levels. They depend on tractors and trucks to get the feed to the livestock.
If you don't take proper steps before the cold air hits, machinery will not be able to operate.
The two facets of machinery which seem to be hit the hardest by ...