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。

youdao

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。

youdao

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。

youdao

A secondary benefit is getting gas-guzzling old clunkers off the road and replaced with more fuel-efficient band new models.

VOA: standard.2009.05.18

Trains are fuel efficient, they relieve traffic and airport congestion and they also reduce our dependence on foreign oil, making passenger trains the safer,cleaner, greener transportation option."

VOA: standard.2010.02.15

"Two-point-four billion dollars in highly competitive grants to develop the next generation of fuel-efficient cars and trucks, powered by the next generation of battery technologies all made right here in the U.S.of A,"

VOA: standard.2009.08.05

Providing new vehicles, especially more compact and fuel efficient passenger cars, has helped with sales too.

FORBES: Detroit's Hurting In September As Hedgie David Einhorn Picks Up General Motors

The Safe And Fuel Efficient Driving Scheme will pay for the training of 200 instructors to teach advanced van driving techniques - and will then fund lessons for 3, 500 drivers.

BBC: NEWS | UK | Free lessons for 'white van men'

When powered by gasoline, the C-MAX Energi uses the all-new 2.0-liter Atkinson-cycle four-cylinder engine - powerful and fuel efficient and among the most advanced non-turbocharged four-cylinder powertrains Ford has ever offered.

ENGADGET: Ford's 2013 C-Max Energi rolls out 95 MPGe, arrives later this fall