Petroleum futures were lower midday Tuesday with diesel down sharply.

Tata acquires licensing rights for in house development of Fiat’s 2.0 litre diesel engine Tata Motors takes control of Fiat’s 2.0 Multijet diesel for future development and upgradation ...

Wondering if 15W-40 oil is only for diesel engines? Learn where this oil grade is used, and whether it’s safe for gas-powered vehicles too.

If you're planning on running diesel oil in a classic car equipped with catalytic converters, the best thing you can do is not run diesel oil in a car with catalytic converters.

Under rare circumstances, diesel engines can experience a phenomenon called runaway, where the engine uncontrollably exceed normal operating speeds.

Petro-Canada Lubricants, an HF Sinclair brand, has launched Duron UHP 10W-30. The company said Duron UHP is an ultra-high performance full synthetic heavy-duty diesel engine oil designed to meet ...

Looking for diesel oil? Our team of experts narrowed down the best diesel oils on the market. Read this review and save yourself time and money.

For the project, DeMeerleer compared three 15W-40 diesel motor oils. Some other companies have suggested other oils for DeMeerleer to test.

This mechanic is surprised that the 0W-8 motor oil is required for the 2025 Toyota Camry. Can such thin oil be trusted?

Diesel engine oil is vital for optimal performance, and with so many options, it can be confusing to know which viscosity to use. Luckily, we're here to help.

The Motorcraft Diesel Motor Oil SAE 15W-40 is the recommended oil for the 6.7 Powerstroke on our list if you prefer a highly specialized Ford 6.7 Powerstroke oil over a generic one.