Catecar

You may recall that a few years ago, there was a flurry of interest in compressed-air cars. In the end, it didn't pan out. Compressed air just isn't a dense enough form of energy storage to make it practical for vehicle use--even in very lightweight cars--and no such passenger car is sold anywhere in the world. Now the Swiss startup carmaker Catecar has given up on compressed air altogether. Instead, it redesigned its prototype minicar to use electric drive, with a small battery pack and a tiny range extender to give it a total range of up to 300 miles. Airport testing Earlier today, Catecar...