The noun 油价 (yóujià) means "oil price" and refers to the market price of petroleum products. It combines 油 (oil) and 价 (price). This term is commonly used in economic and news contexts, such as 高油价 meaning "high oil prices."
最近油价又涨了不少。
Zuìjìn yóujià yòu zhǎng le bùshǎo.
The oil price has gone up quite a bit again recently.
高油价让很多人改坐公交车了。
Gāo yóujià ràng hěn duō rén gǎi zuò gōngjiāo chē le.
High oil prices have made many people switch to taking the bus.
国际油价的变化影响着每个人的生活。
Guójì yóujià de biànhuà yǐngxiǎng zhe měi gè rén de shēnghuó.
Changes in international oil prices affect everyone's life.