My daughter had an oil change on her 2010 Toyota Corolla. The mechanic used synthetic oil. Do I have to use synthetic oil from now on?

Semi-synthetic oil and full synthetic oil share some key characteristics, but they are not the same and knowing the difference between them can be critical.

Synthetic oil is a go-to choice for many vehicle owners, but does it improve fuel economy? If better mpg is your goal, here's what you need to know.

Repsol's natural gas production and the bullish outlook for gas prices support continued resilience and earnings strength. See why REPYF stock is a Hold.

Fully synthetic and synthetic blend oils last longer than conventional oils, and they have additives that can help keep your engine cleaner for longer.

The best synthetic oil products last longer, keep engines cleaner, perform well in all temperatures, and protect your engine.

Repsol REP -0.52% said it has reached a deal to consolidate its U.K. North Sea upstream business with NEO Energy in a share-for-share combination.

Spanish oil major Repsol saw its fourth-quarter 2024 profits come in higher than market forecasts, while profitability was weighed by lower oil prices and weaker refining margins. Repsol announced ...

Consumer Reports presents the advantages and downsides of using synthetic oil in your car, and why you might want to consider synthetic engine oil.

Ever since Smokey Yunick recommended it in the 1970s, I’ve been using synthetic motor oil. Now, along comes something called a “synthetic blend.” Nobody can tell me the ratio of synthetic ...

GeoPark and Repsol cancel $530M acquisition deal for oil and gas assets in Colombia due to partner's pre-emptive rights.