The effect of gasoline voatility on vehicle exhaust emissions at low ambient temperatures

Feb 21, 1993

Report no. 93/51: Eight European vehicles, four of which were equipped with 3-way catalysts,have been tested on two gasoliries with significantly different front-end midrange volatilities. The investigation was conducted over the new ECE + EUDC test cycle at various...

Ecotoxicological testing of petroleum products: test methodology

Jan 21, 1993

Report no. 92/56: This report reviews the applicability of standard ecotoxicological tests for petroleum products and provides guidance on the choice of appropriate methodology.

VOC running losses from canister equipped vehicles

Jun 21, 1992

Report no. 92/53: Six European vehicles fitted with carbon canisters have been tested under severe conditions to establish if evaporative losses of volatile organic compounds occur under European driving conditions – so called “running losses”. The...

Diesel fuel aromatic content and its relationship with emissions from diesel engines

Jun 21, 1992

Report no. 92/54: This report provides the results of a research programme designed to investigate the influence of diesel fuel aromatic content arid cetane number on diesel engine exhaust emissions. A representative range of seven current light-duty vehicles,...

The chemical composition of diesel particulate emissions

Jan 21, 1992

Report no. 92/51: In July 1990 CONCAWE published a report on the influence of diesel fuel sulphur content on particulate emissions. The chemical analysis procedures employed in that programme for the identification of particulate constituents are described in this...