CNG API SL/CF 20W-50 is Suitable for buses and
trucks fitted with engines designed to run on 100%
CNG. It is also suitable for gasoline vehicles converted to NGV- CNG- LPG engines, to protect them
against high temperatures. CNG 20W50 exceeds
manufacturer’s warranty requirements for NGV,
CNG or LPG gas engines including those with multivalve passenger cars and catalytic converters.
