World War I
July 28 marked the hundredth anniversary of the start of World War I, what was at the time the single most devastating war in human history. It was also a war of many firsts – chemical weapons, tanks and most notably, aircraft, took part in what was at the time called the Great War.
A car that could run on thin air? On the road by 2016? That's what Peugot-Citroen says it will be selling: A hybrid car that runs on a combination of gasoline and air.