The Trump administration is negotiating for a direct ownership stake in Venezuelan oil fields, and the reason has less to do with geopolitics than with what is quietly pushing diesel toward record highs at the pump.

The cost of the fuel, used in farm machinery, trucks and other heavy equipment, has surged because of the war in Iran and Ukrainian attacks on Russian refineries.

Diesel prices across the United States are approaching record territory, creating another headache for truckers, farmers and businesses that depend heavily on the fuel. As of August 26, AAA puts the national average at $5.

Diesel prices are rising again just as farmers prepare for the harvest and freight transportation picks up ahead of the holiday shopping season.

The 2027 Ram 2500 Power Wagon gets a 1st-ever Cummins diesel but the timing is bad with diesel fuel prices fast approaching a record & accelerating US inflation

Diesel prices are still above $5, and Aaron Decker says the real problem is refining capacity — not crude oil. In this Today interview, Decker breaks down crack spreads, refinery outages, low distillate inventories and how the Russia-Ukraine conflict is still hitting diesel markets.

Looking for a diesel SUV in 2026? We rank the best new diesel SUVs still on sale and recommend the top lightly used alternatives for buyers who want diesel torque and fuel economy.

The nationwide average for diesel is $5.62 per gallon—roughly 20 cents off the all-time high. But don't expect it to stop climbing anytime soon.

Ram’s rugged heavy-duty off-roader is finally available with a Cummins diesel—for a price.

Red diesel fuel carries very specific regulations regarding which vehicles are permitted to use it. Breaking those rules could result in a hefty fine.

Highlighting Grand Company crests and crystal motifs, the Italian fashion house applies vintage washes to jackets and wide-leg trousers.

A 7,500-gallon diesel tanker truck overturned, closing the busy roadway for an entire day.