Energy & Green Tech

Hazy timeframe for reaching electric plane era

Recent test flights suggest the era of electric airplanes is coming closer, but aviation experts caution that achieving commercial use hinges on regulatory approval which has an unknowable timeframe.

Automotive

Breakthrough in faster-than-sound jet engines

Almost 75 years ago, U.S. Air Force pilot Chuck Yeager became the first person to fly faster than the speed of sound. Engineers have been pushing the boundaries of ultrafast flight ever since, attaining speeds most of us ...

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