By Courtesy of Eviation 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. 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. Eviation Aircraft successfully completed a test flight in Washington state last week, showcasing a plane the company plans to begin delivering to airlines in 2027. That came on…