When Uncle Sam would never notice you stopped buying gas/diesel?
No it is your everyday place of abode so the income isn't responsible for tax. would I say this may be an exceedingly stupid subject to do you will lose a number of you capital on hire this is actual lifeless funds and a place on the valuables industry. in case you think of this via you will recognize that materials is a valid investment in case you quite need to bypass then hire the homestead out and stay off the income not your capital
If you make and sell the fuel, it's taxable. If you grow and manufacture biodiesel for your own use, it's not. For 99.9% of us, we'll still be down at the pump. Making biodiesel is a bit more complicated that having a home garden and growing your own tax free tomatoes.