BMW's Hydrogen 7 Gets Clean Bill of Health
By John O'Dell March 31, 2008Researchers at Argonnne National Laboratory have put BMW's hydrogen-burning V12 engine to the test and found that it is, indeed, as clean as the automaker has been claiming.
The hydrogen internal combustion engine, mounted in a test fleet of about 100 7-Series sedans, is being placed with a variety of celebtrities, politicans, opinion-leaders and other high-visibility types around the U.S. and Europe this year to help raise awareness of BMW's alternative fuel strategy.
The company, which has been developing the engine for years, has always maintained that, except for miniscule amounts of carbon and NOx, created by the heating of engine oil used for lubricating pistons and other moving parts, the internal combustion engine is as clean as a hydrogen fuel cell, emitting only water vapor from the cars' tailpipes...
Argonne's scientists found in their study that the Hydrogen-7's exshaust stream is one of the cleanest in the industry, surpassing the "Super Ultra-Low Emission Vehicle," or SULEV, criteria that is now a the cleanest rating.
Details of the study are to be released Tuersday during the National Hydrogen Association conference.
John O'Dell, Senior Editor
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