HES tested a 6 HP internal combustion engine with a manufacturer’s classification of
a 125-hour engine life. The 125 hours signifies the engine would last approximately 5-
6 years of normal use prior to the hydrocarbons wearing on the engine and therefore
making the engine less efficient. We ran the engine first on gasoline. The engine had
a carburetor. We then replaced the carburetor with the HES Mixing Block™ and ran the
engine on hydrogen. The result is that the spark plug and piston head were cleaned by
the “scrubbing effect” of the hydrogen.

Testing and running of this engine in our lab has exceeded 600 hours. Figure 1 depicts
the carbon build up on the spark plug running the engine on gasoline after 1.5 hours run
time. Figure 2 depicts the same spark plug running the engine on hydrogen after 1 hour
run time. Figure 3 Depicts the piston head on gasoline. Figure 4 depicts piston head
and valves on hydrogen. Not only does the hydrogen clean the spark plug but it also
does not create any additional carbon build up thereby extending the life of the spark
plug. The oil lubricating the engine running on hydrogen remained clean, as there is no
carbon contaminating the oil and therefore requiring less oil changes.

The oil in this engine after more than 600 hours of run time is clean. Running this same
engine for 600 hours on gasoline would have resulted in the oil needing to be changed
40 times in order for the engine to perform properly.

Our technology has proven that standard ongoing maintenance of Internal Combustion
Engines will dramatically change. Not only will time and money be saved on
maintenance, but the life of the engine will be extended as well.