well out of all my readings here not one person knew about this
if power goes out u can still drive a car ........there is something called wood gas engines they were used back in ww1
http://www.lowtechmagazine.com/2010/01/wood-gas-cars.html
like i said it is just matter of learning history .......and thinking ahead
and yes the wood gas engine could hooked or turned into a electrical turbine ....supping power to a small group of ppl
rem a genny is just some wires and magnets
http://www.wikihow.com/Build-a-Generator
this is using car parts
your only real worry is a EMP pulse .......but that will only effect electronics turned on /plugged in unless it a high yield low alt det then all are gone (makes arcs )
edit
who wants to live with me i have power shine weed food and medical supplies (thanks to the power i have a libary of more then 1000 books on all subjects from fixing anything military to surgery on body to live stock raising )