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Scientists say adding water to diesel could cut engine pollution by over 60%

Scientists discover that adding water to diesel fuel could slash nitrogen oxide emissions by 67% and particulate matter by 68 ...
Science Daily

Simple water trick cuts diesel engine pollution by over 60%

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...