“…PAHs Rhead and Trier (1992), Tancell et al (1995aTancell et al ( , 1995b, Rhead and Pemberton (1996), Rhead and Hardy (2003) Spark ignition engine D GC/MS Unburned hydrocarbons Bennett et al (1996), Gregory et al (1999) Combustion chemical mechanism analysis/ kinetic rate constant determination OH Stranic et al (2013 Reaction vessel 14 C Decay counting CO Cullis et al (1958) Reaction vessel 14 C Decay counting Ketones Cullis et al (1959Cullis et al ( , 1962Cullis et al ( , 1963aCullis et al ( , 1966 Reaction , , Cullis and Hirschler (1978) Tube reactor (pyrolysis) 14 C GC, radiochemical assay PACs, PAHs, alkyl-PAHs Badger and Kimber (1961), Badger et al (1962), Badger and Novotny (1963), Badger et al (1964Badger et al ( , 1966aBadger et al ( , 1966bBadger et al ( , 1967aBadger et al ( , 1967b Tube reactor (pyrolysis) 14 C, 3 H Radio-GC Cypres and Bettens (1986) Reaction pathway analysis: catalytic combustion Katoh et al (2006aKatoh et al ( , 2006b…”