There's been a lot of serious talk about living off the grid since the '60s. Trouble is the grid is an engineering marvel that delivers a heck of a lot of utili

There's been a lot of serious talk about living off the grid since the '60s. Trouble is the grid is an engineering marvel that delivers a heck of a lot of utility. (OK the pun is intended, but still informative.) Living off the grid is likely to remain the provence of dedicated hackers for a long time to come, not something for the masses.