Diesel-powered vehicles require diesel exhaust fluid to reduce engine emissions, making them less harmful to the environment and safer to drive.

Demand for U.S. distillate fuel storage tanks has more than tripled since the start of the Iran war, as traders wager that a surge in European and Asian prices will bolster U.S. exports of diesel, jet ...

Fresh food, freight shipping, mass transit, construction and deliveries all cost more when diesel prices rise.