For example, 50% of the new Boeing 787 is made out of carbon fibre, making it light and fuel efficient.
比如，50%的新型波音787由碳纤维组成，使其更轻，更省油。
Green was the theme at the LA Auto Show as car manufacturers revealed a whole new line of hybrid, electric, and fuel-efficient new cars.
环保是洛杉矶汽车展的主题，汽车制造商们正在发布全新的混合电动高燃油效率新车系列。
I want to see solar panels and wind turbines and fuel-efficient cars manufactured right here in America, by American workers.
我希望看到太阳能电池板、风力发电机和节能汽车就在美国生产，由我们的工人生产。
Diesel engines are more powerful and fuel-efficient than similar-sized gasoline engines.
差不多排量的柴油发动机比汽油发动机动力更好也更高效能。
Diesel engines are more powerful and fuel-efficient than similar-sized gasoline engines.
差不多排量的柴油发动机比汽油发动机动力更好也更高效能。
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