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.

Diesel and gasoline engines might look alike under the hood, but they use oil in very different ways. Gas engines run cleaner, but diesels create much more soot, crank out higher compression ...

Different engines of course require different oils, but the difference between diesel and gasoline engine oil is especially important for your engine's health.

Valvoline’s latest premium engine oil not only works in diesel, natural gas, and gasoline engines; it also provides extended oil drain intervals for diesel and natural gas vehicles.

For instance, many diesel engines today still use a 40-weight oil (albeit multigrade or semi-synthetic) which can tell us about the changes in the viscosity requirements over the years.

Manufacturers of diesel fuel have for close to 20 years, been producing ultra-low sulfur diesel fuel, and engine oil companies weren't far behind with low ash engine oils for the 2010 model year.

Work is starting on developing a new API diesel engine oil category to help meet the demands of upcoming greenhouse gas and fuel mileage regulations.

A post on Facebook suggests using watering-down diesel fuel to fill your tank if a gas station runs out of gas. That will damage the vehicle.

Equipment Fleet Maintenance Oils, Lubricants & Greases Why Heavy-Duty Diesel Engines are Transitioning to Lower Viscosity Oil SAE 10w-30 is gaining popularity in heavy-duty applications for fuel ...

The global market for diesel- and gas-powered engines continues to grow, as manufacturing companies unveil products designed to produce power more efficiently while at the same time lowering ...