▎ 摘　　要

NOVELTY - Petrol and diesel catalyst comprises 20-30 wt.% titanium-containing interface active agent, 14-22 wt.% catalyst carrier, 5-15 wt.% graphene, 15-35 wt.% nano-titanium dioxide, 10-23 wt.% rare earth metal oxide, 2-5 wt.% smoke suppressor and 1-3 wt.% rust remover. USE - As petrol and diesel catalyst. ADVANTAGE - The petrol and diesel catalyst saves fuel while achieving purpose of combustion, does not discharge toxic gases such as sulfur dioxide and hydrogen sulfide in waste gas to atmosphere, is environmentally-friendly, reduces the emission of harmful substances by 91-94%, and increases the fuel saving rate of vehicle by 30-35%.