ARAI report found E20 fuel may damage rubber parts in E10 vehicles, engine durability tests carried out for 400-806 hrs

An ARAI report noted rubber part deterioration in E10 vehicles using E20 fuel. Metallic components showed no adverse impact, and emissions remained within legislative limits. One BS-VI turbocharged engine experienced issues after durability testing, unlike a BS-IV engine. Two-wheeler engine durability tests showed acceptable performance with E20 fuel. Fuel consumption increased by two to six percent for vehicles using E20.