Urea-based products used to preserve rolled grain lose at least 40% of nitrogen content before they are consumed by the animal, new research has shown. Urea acts as a preservative, reducing moulds, ...

Mercedes sales staffers: Get ready for ribald jokes about standard-equipment urinals and emergency fill-ups when you explain to customers that they have a new fluid level to check. Those gags already ...

Urea tanks will be standard equipment for most new diesel trucks, buses, cars, and sport utility vehicles (SUVs) manufactured in the United States after Jan. 1, 2010. An automotive grade of urea will ...