uck diesel engine to run on clean-burning hydrogen instead of diesel fuel, allowing the researchers to focus solely on particle emissions from lubrication oil. They found that the hydrogen-powered engine emitted higher levels of metal-rich particles than the diesel-fueled engine. Lubrication oil was the primary source of these increased emissions. Emission particles identified include calcium, phosphorous, zinc, magnesium, and iron nanoparticles, all of which have the potential to cause lung damage when inhaled over long periods, they say.
This studys findings may increase current knowledge about the role of lubrication oil in particle-formation dynamics as engine technology improves and cleaner internal combustion engines are developed, the researchers state.
ARTICLE #4 FOR IMMEDIATE RELEASE
Role of Lubrication Oil in Particulate Emissions from a Hydrogen-Powered Internal Combustion Engine
Arthur L. Miller, Ph.D.
National Institute for Occupational Safety and Health
Spokane, WA 99207
ARTICLE #5 EMBARGOED FOR 9 A.M., EASTERN TIME, Oct. 1, 2007
New tactics for trouncing those terrible migraine headaches
Chemical & Engineering News
Relief from the pain, nausea and other awful symptoms of migraine could become just a sniff away, as researchers develop new drugs including an inhalable medication for a condition that affects an estimated 30 million people in the United States, according to an article [http://pubs.acsPage: 1 2 3 4 5 6 7 8 Related biology news :1
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