I wasn't sure where to post this but I've had this wind turbine that I mount in the back of my truck when I go to the dunes. I only have to run my generator to make coffee and blow dry gf's hair! I know getting to the dunes isn't efficient, my truck gets 12 mpg hauling the 21,000 lbs out there. I have solar panels on top of the trailer and the turbine can make power day and night as long as the wind blows! I laugh when I hear peoples generators turning on when they wake up becuase the batteries are dead. Its capable of 400 watts with 30mph winds, it doesn't usually blow that hard but it does help keep the batteries topped off.
Darin