Brief introduction. Higher temperature materials in Gasoline engine fuel systems illustrating resistance to fuel mixtures and emissions data with reference to the EEC "Euro 2000" legislation. Higher temperature injector seals for diesel engines including reference to RME diesel fuels. Valve stem and crank shaft materials. Air intake manifold sealing. Cylinder head multi-layer gaskets. Sump and rocker cover gaskets. Turbo hoses. Power steering hoses. Summary.