The couplingoscillationwill be excitedoccasionally and will result in changing oil between air side and hydrogenside, or result in the hydrogen escape from the inside ofgenerator, etc.
Gunnar Lindstrom, who is charged with marketing Honda's alternative fuel vehicles in the U.S., believes that by 2020 six fuels will split the market: gasoline, diesel, biofuels, hydrogen, natural gas and electricity, perhaps working side by side in a single vehicle.