Quality specifications
The quality of fuel sold in Sri Lanka, including diesel, is regulated by the Ministry of Environment under the, which came into effect on July 1, 2003.
Based on this regulation and consultation with fuel stakeholders, including the national oil company Ceylon Petroleum Corporation, the Sri Lanka Standards Institution (SLSI) publishes diesel specifications.
While fuel specifications under the National Environmental (Air, Fuel and Vehicle Importation Standards) Regulations, No. 01 2003 is mandatory, fuel specification under the SLSI is voluntary. In addition, oil companies also published their fuel standards (industry standards).