Synthetic oil performs better, reduces wear and in some cases lasts longer. Yes, you can switch between synthetic, semi-synthetic and conventional oil.

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.

Synthetic motor oil lasts longer and is preferred in modern and forced-induction engines, while conventional oil tends to be better for older engines.

Repsol produces around 65,000 barrels of crude oil per day (bpd) in Venezuela, a former Spanish colony, according to experts.

Investing.com - Madrid-listed shares in Repsol (BME:REP) rose on Thursday after the Spanish oil and gas group posted fourth-quarter net income that topped expectations and raised its expected ...

Spanish oil company Repsol has agreed to sell oil and gas production assets in Colombia to Geopark for $530 million, the two companies said on Friday.