Can you power a lawn mower with used cooking oil?

While it is technically possible to power a lawn mower with used cooking oil, it is not recommended for several reasons:

1. Safety risk: Using used cooking oil as fuel can be dangerous if not handled properly. It has a lower flash point and higher viscosity than gasoline, increasing the risk of fire and accidents. Additionally, improper handling or storage of used cooking oil can attract pests and create unsanitary conditions.

2. Engine modifications: Converting a lawn mower to run on used cooking oil typically requires significant modifications to the engine, such as changes to the carburetor, fuel lines, and fuel tank. These modifications can be complex and may require specialized knowledge and tools.

3. Engine performance: Used cooking oil has different properties than gasoline, which can affect the performance and efficiency of the lawn mower engine. It may produce less power, run less smoothly, and generate more emissions.

4. Legal restrictions: There might be local regulations or environmental restrictions on the use of used cooking oil as fuel, so it's important to check local laws before attempting such a conversion.

Overall, while it may be possible to power a lawn mower with used cooking oil, it is not a recommended practice due to safety concerns, engine modifications, potential performance issues, and legal restrictions.