燃油

• Pinyin: rán yóu
• Hanzi breakdown: 燃 = 火 + 然 (fire — to combust); 油 = 水 + 由 (water/liquid + reason — flowing liquid)

Meaning

Fuel oil; petroleum-derived liquid fuel used in vehicles, aircraft, ships, or industrial machinery.

燃油效率 (fuel efficiency), 燃油附加费 (fuel surcharge), and 燃油税 (fuel tax) are standard industry collocations. More formal and technical than 汽油 (petrol/gasoline) or 柴油 (diesel). Commonly used in aviation, shipping, and energy policy contexts.

Examples

1. 受国际原油价格持续上涨影响，各大航空公司宣布临时上调燃油附加费。 Due to continued increases in global crude oil prices, major airlines announced a temporary hike in fuel surcharges.
2. 这款全新设计的发动机大幅提升了燃油效率，与上一代产品相比碳排放量减少了约三分之一。 This newly designed engine dramatically improves fuel efficiency; compared with the previous generation, its carbon emissions are reduced by about one-third.
3. 港口油罐区储存着大量燃油，因此安全管理措施必须达到极为严格的标准。 The port’s tank farm stores large quantities of fuel oil, so its safety management measures must meet extremely stringent standards.

Usage Guide

Context: aviation, shipping, energy policy, industry

Tone: neutral

Do Say

• 随着新能源汽车市场持续扩大，传统燃油车的市场占有率正在逐年下降。(As the new energy vehicle market continues to expand, the market share of traditional fuel-powered vehicles is declining year by year.)
• 政府计划在未来十年内逐步提高燃油税，以引导消费者转向更为清洁的出行方式。(The government plans to gradually increase fuel taxes over the next decade to guide consumers towards cleaner modes of transportation.)

Don't Say

• 他的车用燃油很少 — use 他的车油耗很低 or 他的车燃油消耗量很小; 燃油 alone as subject of 用 sounds unnatural; use 燃油消耗 or 油耗 as the noun phrase

Origin & History

燃 (burn/combust) + 油 (oil) — combustible oil used as fuel

Cultural Context

Generation: All ages

Social background: Universal