G-OIL SAE30 4-Cycle Bio-Synthetic Green Engine Oil, 48 oz: * Not re-refined or recycled oil, but a bio-synthetic oil that provides superior performance and protection * G-OIL is 1 of the first products to be named and approved to use the USDA"s new product label on certified bio-based products * Composed wholly or significantly of agricultural ingredients * Product has been independently certified to meet USDA BioPreferred program standards for bio-based content * Might potentially help reduce the amount of fossil carbon into the atmosphere * Will not biodegrade in your engine, only when exposed to the environment * G-OIL is non-toxic and has a hazard rating of 0 and is safe for people, wildlife and plants * Can significantly reduce potential operator health hazards, including skin, eyes and lung irritation generally associated with mineral oil based products