§ Mr. Michael McNair-Wilsonasked the Secretary of State for Trade and Industry what research is being undertaken into aero-engines using fuels other than fuel oil derivatives; and if he will make a statement.
§ Mr. OnslowSome research has been done on the use of alternative fuels, such as hydrogen and methane, for aircraft engines. This has not revealed major problems in the engine combustion area but there are many difficulties still to be resolved associated with the handling, storage, safety and economic aspects.