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Commercial hybrid-electric aircraft, reduced carbon emissions

Although we're still a long way from commercial airplanes powered by a combination of fossil fuel and batteries, a recent feasibility study explored fuel/battery configurations and the energy lifecycle to learn the trade-offs needed to yield the greatest reductions in carbon dioxide emissions.

from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/03/190325130524.htm
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