MIT unveils plane that uses 70 percent less fuel

Their D-series plane, nicknamed the “double bubble”, is a possible replacement for the 737. They designed it for NASA, who wants much higher efficiency airplanes by 2035.

Conventional airplanes utilize a single fuselage design, while the D-series uses two partial tubular shapes placed beside each other — which accounts for the bubble nickname. The plane utilizes a host of technological advances to decrease its fuel consumption. It has thinner longer wings and a smaller tail and engine placement at the rear of the plane instead of on the wings.

70 percent less fuel is staggering. Why weren’t planes always designed like this? Less fuel expended means less emissions too.

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