For homeowners with yards larger than a postage stamp but not much more than a half acre, the self-propelled lawn mower feels like the sweet spot between a riding lawn mower and a standard walk-behind push mower. There are advantages to electric self-propelled mowers: They make less noise, generate no fumes, and don't require as much maintenance. We liked the Ego Power+ 21-Inch Select Cut XP Electric Lawn Mower so much that it also ranks as our overall recommendation for the best electric mower. What to ConsiderLike any yard machine, self-propelled lawn mowers range from basic grass-cutters to more feature-rich (and expensive) tools. Lawn Mower FAQswith Former Test Editor Roy BerendsohnAre there special maintenance considerations with self-propelled mowers?