What we want but hasn't been invented yet!

[Dead Eye]

[quote author=Dead Eye link=topic=15403.msg175608#msg175608 date=1417345780]
It's the quirky things in life that I can never manage to think of from the top of my head... my immediate response to this was cheap, clean fuel :\

Would that not be called electricity?
[/quote]

Not really given how the bulk of electricity is produced

But yeah, this already exists I guess - Solar, Wind, Hydro and Tidal power