BusinessPlanemaker feud reaches new heights To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessAriane Mohr09/28/2017September 28, 2017The feud between planemakers Boeing and Bombardier is gaining altitude. The US Commerce Department slapping a preliminary 220 percent tax on Bombardier's planes. Now the trade tension is threatening to spill over to the other side of the Atlantic. https://p.dw.com/p/2kqwKAdvertisement