This suggests, he says, that nitrogen oxide emissions from transport and industry are increasing more rapidly than ammonia emissions from agriculture. (scientificamerican.com)
Those additional controls have reduced sulfur dioxide and nitrogen oxide emissions by 70 percent, while electricity generation has increased 40 percent. (blog.al.com)
Ultra-low sulfur diesel fuel has 99.7 percent less sulfur — and is now produced for all highway and non-road uses, allowing for dramatically reduced nitrogen oxide emissions in newer diesel engines. (energytomorrow.org)