Piston hydrogen vehicle engines
Descriptions of the gaseous and liquid hydrogen storage executed system on board ( including with MH rechargeable batteries), measures of engines on hydrogen adaption and preventing of backfires are adduced. Supply system of gaseous and liquid hydrogen into buses and light vehicles engines, the control system of hydrogen engines, and bench and road tests results of vehicles with hydrogen engines on exhaust emissions and economy are presented. BMW, Ford, Mazda(with Wankel engine) experimental work on hydrogen power conventional piston engines are characterized, as well as prospects of hydrogen usage in Stirling engines.