Report on paraffinic diesel (gas to liquids) emissions testing
Comparison of the emissions performance of vehicles using paraffinic diesel with the performance of the same vehicles using conventional diesel.
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High concentrations of nitrogen dioxide, particularly in urban areas, are a significant problem in the UK, with an estimated effect on mortality equivalent to 23,500 deaths annually. Diesel vehicles are of primary concern in relation to emissions at, or near, the roadside. Emissions from these vehicles represent a large proportion of the total contribution of both oxides of nitrogen (NOx) and primary nitrogen dioxide (NO2).
Paraffinic diesel is promoted as producing lower NOx emissions at the tail pipe than conventional diesel. This research quantifies any differences in levels of tailpipe pollutants, primarily NOx emissions, between paraffinic diesel and regular diesel.