SIAM warned that chloride contamination could damage engine parts over time and urged authorities to include chloride limits in E20 fuel specifications and strengthen quality checks at fuel outlets. SIAM clarified that the communication was part of technical discussions and not a final conclusion on E20 fuel safety. E20 petrol is a blend containing 20% ethanol and 80% petrol. CJP expands campaign to include E20 fuel concernsMeanwhile, the Cockroach Janta Party (CJP) has announced that it will include E20 fuel policy among the issues it plans to raise as a pressure group. Authorities and industry bodies will continue monitoring whether any unusual increase in fuel-system-related problems occurs as E20 petrol becomes more widespread.