Is it true that the inventor of the water fuel car was assassinated?

More than 70% of the earth is water, and water is another way of existence of hydrogen. Hydrogen is a flammable gas, but water must be electrolyzed to get hydrogen. Meyer's invention is to electrolyze water to get hydrogen for automobile combustion. His invention ran 3000 kilometers with 83 liters of water, which is more durable than gasoline. However, if this technology is popularized in the market, how to buy oil and what about the national economy? A series of economic ties will collapse.