The phrase signifies a seek for available diesel gas containing a sulfur focus not exceeding 15 components per million (ppm). This particular sort of gas is remitted to be used in most trendy diesel engines. An instance of its utility is in over-the-road vehicles and off-road gear requiring gas that meets present emission requirements.
Decreased sulfur content material results in decreased emissions of sulfur oxides, contributing to improved air high quality and decreased acid rain. The adoption of this gas sort has been instrumental in enabling superior emission management applied sciences inside diesel engines. Traditionally, the transition to this cleaner-burning gas marked a big step in mitigating the environmental impression of diesel engines.