>> I concluded that electricity is the best alternative, especially where there is a surplus of electricity generation or it could be readily expanded.
Where is this magical place? Do they have unicorns there? Can I walk on rainbows to get there?
Every year the power grid and generation capacity in industrialized nations gets stretched thinner and thinner. Stupid liberal jackwagon! Sheesh!
I have to laugh that the first folks to embrace this sort of thing live in CA. The land of rolling blackouts.
As long as they are plugged into the grid, electric storage is not a big issue. Once you need to get off the grid, you need massive batteries to massive weight. The bigger the batteries, the bigger the weight.
Which is why an electric golf cart works just fine if you are moving people and light equipment around a plant or a shopping center . . . but doesn't work so well once you need to go further.
I'm a big fan of electric motors for my lawn tools-- weed whacker, push mower and the like. But I have the sense enough to know that they outperform their gas counterparts only because I run them for 30-40 minutes at a time.