adj.耗油低的；燃料消耗低的

Diesel engines are the most fuel efficient vehicle power source available. 柴油發(fā)動(dòng)機(jī)是現(xiàn)有燃油效率最高的機(jī)器。

Dramatic innovations in aircraft design will allow faster, smoother, and more fuel efficient means of air travel. 飛機(jī)設(shè)計(jì)中引人注目的革新將使空中旅行更迅捷、更平穩(wěn)、更節(jié)能。

Dramatic innovations in aircraft design will allow faster,smoother,and more fuel efficient means of air travel. 飛機(jī)設(shè)計(jì)中引人注目的革新將使空中旅行更迅捷、更平穩(wěn)、更節(jié)能。

Aerodynamic studies show a pickup truck is most fuel efficient with its tailgate up. 空氣動(dòng)力學(xué)研究顯示出，小型敞篷卡車保留后箱蓋時(shí)燃料的利用效率更高。

And I'll help our auto companies retool, so that the fuel efficient cars of the future are built right here in America. 另外，我也將幫助我們的汽車公司重新想轍，這樣，未來的十分節(jié)省燃料的汽車將在我們美國生產(chǎn)出來。