Most of these articles are papers written for a scientific community. But for those that are interested in the tests done to validate this technology, the results can be found here. At the bottom of the list are references to U.S. patents in this field. These patents go back to 1914. This subject is not new.
There are a couple of abbreviations used frequently in these documents: ICE - Internal Combustion Engine, and SI - Spark Ignition; as in an "SI engine".
NASA Paper: Cassidy, J.F., “Emissions and Total Energy Consumption of a Multi-Cylinder Piston Engine Running on Gasoline and a Hydrogen-Gasoline Mixture,” Technical Note Report # E-9105, May, 1977, National Aeronautics and Space Administration, Washington, D.C.
Department of Transportation report, "Guidelines For Use Of Hydrogen Fuel In Commerecial Vehicles, Final Report", November 2007.
“Onboard Generation of Hydrogen-Rich Gaseous Fuels - A Review,” , Y. Jamal and M.L.Wyszynski, School of Manufacturing and Mechanical Engineering University of Birmingham, Birmingham UK
“Effect of Hydrogen Enriched Hydrocarbon Combustion on Emissions and Performance,” by Jacob Wall, Department of Biological and Agricultural Engineering, University of Idaho
SAE Articles on Hydrogen The Society of Automotive Engineers have quite a few scientific papers on the subject of using hydrogen in internal combustion engines. They are not linked to in this document, because they are not free to download. However, many of these will be of interest to researchers in this subject.
A Sampling of Relevant U.S. Patents:
To see the complete patents:You can go to the US Patent office and see the entire patent. Just copy the patent numbers below and then go to this link. Paste in the patent number and you will be taken to the page that has all of the patent documents.
United States Patent #1,112,188 issued on September 29, 1914 to Leonard Atwood
United States Patent #1,262,034 issued on April 9, 1918 to Charles Frazer
United States Patent #1,490,975 issued on April 15, 1924 to William Howard
United States Patent #1,876,879 issued on September 13, 1932 to Walter Drabold
United States Patent #2,509,498 issued on May 30, 1950 to George Heyl
United States Patent #3,311,097 issued on March 28, 1967 to Georg Mittelstaedt
United States Patent #4,023,545 issued on May 17, 1977 to Edward Mosher and John Webster
United States Patent #6,209,493 issued on April 3, 2001 to Bill Ross