The FAA is poised to order the Boeing 737 Max ungrounded this week. American Airlines will lead the jet's return after the 20-month grounding. Embraer's conceptual hybrid-electric STOUT for the Brazilian Air Force breaks cover and looks even more interesting than its E3 turboprop study. Apple's path to developing its new ultra-efficient M1 chip is an instructive guide for the strategic future of green aviation.
