June 1999

Trends and Resources

HP Impact: HPImpact: Impact of European Standard EN 228

Gasoline volatility specifications are defined in volatility classes in the European Standard EN 228. CEN member countries have selected up to three volatility classes to satisfy the driveability requ..

Weirauch, Wendy, Hydrocarbon Processing Staff

Gasoline volatility specifications are defined in volatility classes in the European Standard EN 228. CEN member countries have selected up to three volatility classes to satisfy the driveability requirements for their market based on regional climatic variations over the year. The new EU Fuels Directive 98/70/EC defines the environmentally relevant specifications and thus affects fuel composition. Consequently, CONCAWE, the oil companies' European organization for environment, health and safety, has reviewed volatility specifications related to hot weather driveability – or hot fuel handling (HFH). These include Rvp, E70 (% of gasoline evaporated at 70°C) and vapor lock i

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