CNCmachiningisfun has some really creative skills under his belt and these videos will speak for themselves.
He has been off grid since 1994 using wind, solar and woodgas to generate his power needs.

Motorized Gasoline Granule Generation Station

Fairly Fast fuel finger fabrication facility

The Lop-O-Matic9000

Gasifier performance problems and resolutions

Gasifier powered fuel dryer

From flare to 13HP engine startup