Lawnmower

Material A
Metal Frame. Varies depending on manufacturer.

Disposal: Can be recycled or dropped off at the drop-off depot for collection.

Material B
Motor. Usually an internal combustion engine using gasoline or petrol.

Disposal: Must be taken to a drop-off depot if disposed of alone. It is it considered household hazardous waste (HHW) and cannot be put in your garbage or recycling bin.

Material C
Battery (for Electric mowers) Usually rechargeable batteries in lieu of a gasoline or petrol-powered motor.

Disposal: This is considered household hazardous waste (HHW) and cannot be put in your recycling or garbage bins. You must take them to a drop-off-depot to be disposed of properly.

Material D
Steel blades. These are usually made of standard, durable steel, similar to or the exact same material as the framework of the lawn mower itself.

Disposal: Can be recycled if disposing of alone. It is not recommended to throw them in your recycling bin however, as they are sharp and hazardous. The best option is to leave them curbside, attached to the lawnmower, or they can be brought to a drop-off depot to be properly disposed of.

Best Alternative
Gasoline or petrol-powered lawn mowers pollute a significant amount over time. It is estimated that a lawn mower pollutes the same amount in one hour as a car that has driven 680 miles, due to the combustion and exhaust produced. Electric lawn mowers are a better option, however, the rechargeable batteries are not environmentally-friendly when it comes to their disposal; the same issue is being seen now with electric plug-in cars such as Teslas. Ultimately, the best solution is to purchase and use a hand-powered lawn mower, which produces no emissions or provides any harm to the environment upon disposal. These can simply be left curbside to be recycled.