Technology

The largest electric plane yet completed its first flight — but it's the batteries that matter

Technology

The largest electric plane yet completed its first flight — but it's the batteries that matter

Electric airplanes have been heralded as the future of cleaner, climate-friendly air travel. Electric motors have several advantages over gas-powered engines but one major shortcoming — the batteries that power them. While significant advances in battery technology have been made in the last 10 years, batteries are still so heavy that electric planes can't be expected to fully replace fossil fuel aircraft in the foreseeable future.

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