Cars and ground-level ozone: how do fuels compare?

European Transport Research Review

An Open Access Journal

Table 5 Speciation of NOx emissions

Life-cycle phase	Gasoline	Diesel	LPG	Source
Vehicle tailpipe	3% NO₂	30% NO₂	3% NO₂	[29]
Well-to-tank: industrial combustion	92.5% NO			[30]
Well-to-tank: transport	30% NO₂			[29]