Also, in his eyes, railways and airplanes are not necessarily opponents, they can also complement each other, which is one way of promoting the efficiency of transport.

同样，在他看来，铁路和航空公司也不一定是对手，他们可以进行互补，这是一种提高运输效率的方法。

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Any country is dependent on the efficiency of its transport links.

任何国家都仰赖于其运输连接的效率。

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A companion research effort looked at concepts for a new generation of supersonic transport aircraft capable of meeting NASA's noise, emissions and fuel efficiency goals for 2030.

一项合作研究成果着眼于新一代超音速运输飞行器的概念，以满足NASA为2030世代设定的噪音、排放和燃油效率目标。

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China's State Council, or cabinet, said in February that the country needed to raise the efficiency of logistics and transport, and highlighted the need to streamline such operations while encouraging the use of more environment-friendly vehicles as well as "green" warehouses and business parks.

WSJ: Investors Target Logistics Property in China

To date, 64 European airports have signed up to the Airport Carbon Accreditation Scheme, a voluntary initiative launched in 2009 that aims to reduce emissions from ground transport, boost the use of renewable energy and increase the energy efficiency of airport terminals.

BBC: Airports doing more to go green

The centre, which opened in 1975, contains a range of interactive displays on wind, water and solar power, green transport and energy efficiency.

BBC: NEWS | UK | Wales | Mid | Praise for town's 'green' residents