Meanwhile, each of the hydrogen refueling stations from the US are located in California, so extensive highway journeys are out on the question. The hydrogen breathing equipment arrived a couple of days back. I breathe hydrogen each day. My coughing stopped. Key terms: hydrogen; inner combustion engine; emissions; NOx; exhaust https://trentonnnmif.yomoblog.com/32982372/the-basic-principles-of-benzin-senken