Today 1.35M people die each year in automobile crashes globally; 38,000 in the U.S. alone, the equivalent of two 747s crashing in mid-air every single week. Counterintuitively, despite the COVID-19 pandemic leading to fewer drivers on the roads and a significant reduction in the number of miles driven, the latest …

A big push has been to increase the efficiency of aircraft engines, mainly to make them go faster, to fly higher and use less fuel. Now a new concern has come to the fore, that of environment.   We have to use as little fuel as possible, create as little …