fuel-efficient
fuel-efficient — 形容詞
1. A fuel-efficient vehicle, engine, or building uses less fuel than others of the
省油；節能
使用較少燃料的
A fuel-efficient vehicle, engine, or building uses less fuel than others of the same type to do the same work or travel the same distance.
Darius bought a fuel-efficient car that uses half the gas of his old truck.
Darius 買了一輛省油的車，耗油量只有他舊卡車的一半。
collocation: fuel-efficient car
The airline replaced its planes with more fuel-efficient models to save money and cut pollution.
這家航空公司用更省油的機型取代舊飛機，以節省開銷並減少污染。
comparative form: more fuel-efficient + noun
Ravi chose a fuel-efficient motorcycle for his commute, cutting his petrol costs by nearly half.
Ravi 選擇了一輛省油的機車通勤，油錢節省了將近一半。
A well-maintained engine runs more smoothly and stays fuel-efficient for years.
定期保養的引擎運轉更順暢，而且能多年保持省油狀態。
The government offers tax breaks to people who buy fuel-efficient vehicles.
政府對購買省油車輛的人提供稅務優惠。
- economical
broader meaning — can also refer to saving money generally, not just fuel
- efficient
wider in scope — refers to any resource (time, effort, energy), not specifically fuel
- energy-efficient
often used for electrical appliances; overlaps with fuel-efficient for heating systems but not for cars
- fuel-guzzling
informal; describes vehicles that use a lot of fuel
- inefficient
general opposite — wastes any resource, not just fuel
用法筆記
Commonly used to compare products: one model is more fuel-efficient than another. Often appears before the noun it describes (fuel-efficient car, fuel-efficient engine).