Lawn mowers are available as electrically powered or gas powered. For an electrically powered mower, the question gets a bit messy. Sure the mower itself is using electricity, but then there's the question where that electricity is coming from. Might be solar, nuclear, hydro, wind or even chemical energy that was used to generate the electricity.
For a gas powered mower, it's easier - that's chemical energy.
There are also the human-powered, hand-pushed mowers. They would be powered by humans, which are powered by chemical energy.
Stored Energy (Electricity, Petrol) to Kinetic Energy (Movement) with the by-product of heat energy.
electrical
I use 5w-30
Usually, its SAE 30.
Hd 30w
Any kind you want.
30W for summer
No you can't use a golf cart mower on a lawn mower. You have to find a muffler that matches the make and model of the lawn mower.
10w-30w is fine
sae 30
You can use 10W-30 or just 30.
You can use it to mow the lawn, as what it should be used for.
SAE 10w30 full synthetic.
moble 1 50 weight syn