Regular readers will recall references to the inefficiency of internal combustion engines on these pages. In practice, around 20%.
Electric motors on the other hand are at least 80% efficient.
Fully Charged has done a side-by-side comparison of the efficiency of internal combustion engine & electric lawn mowers.
/ electric internal combustion engine ICE efficiency efficient battery charge recharge energy efficiency lithium ion LiIon cell charger fuel petrol four stroke 4 stroke rotary mower cycle cycles charge recharge cycle discharge tall grass mow mower /
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