natural gas ears的用法和樣例：
例句
- Clean Energy Consultant Tony Rubenstein says that the rebates heavily favor natural gas vehicles over other technologies.
清潔能源顧問托尼魯賓斯坦說，回扣嚴重利於天然氣汽車比其他技術。 - This week in Delhi, G.M.India will unveil its first clean-burning liquefied natural gas car.
這周通用印度公司將在德里推出其第一款清潔燃燒液化天然氣汽車。
