Saving fuel while plowing

Saving Fuel While Plowing

ScienceDaily (July 25, 2011) — Less friction, less power, less fuel -- plowshares coated with diamond-like carbon (DLC) slide through the soil like a hot knife through butter. As a result, the tractors pulling them need less power and fuel. In some tests the power required has been reduced by more than 30 percent. .....