Green Earth Technologies 1133 G-OIL 4-Cycle 10W-30 Bio-Synthetic Engine Oil  - 1 Quart Bottle G-OIL 4-cycle 10W-30 bio-synthetic engine oil meets API SM, SL, SJ, SH standards for gasoline engine lubricants Made with American grown base oils to provide outstanding lubrication properties to ensure long lasting performance Ultimate biodegradable and USDA certified bio based product Used for all 4-cycle air-cooled engines, including lawn and garden equipment, small tractors, compressors, pressure washers, generators, that require 10W-30 engine oils Grown and made in USA