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Planemakers like Airbus and Embraer are envisioning a future where the airliner looks radically different — take a look at the futuristic concepts

By trains@insider.com (Taylor Rains) of Business Insider | Slide 3 of 40: Source: ICAO, ATAG

Operators are not only battling rising fuel prices, but also environmental concerns from world governments and activists, particularly as aviation-related CO2 emissions rise above 2%.