Green Propane Engines

• Simple
• Safe
• Reliable
• Certified & Warranted

Onyx Environmental Solutions provides propane ready certified engines to manufacturers in the lawn care, floor care, and construction industries. Onyx also offers certified conversion kits to convert gasoline engines to operate on propane. All Onyx Green Engines and Green Conversions have undergone significant testing to ensure safety, performance, reliability, and all are certified with the Environmental Protection Agency (EPA) and the California Air Resources Board (CARB).