I think I'll throw my $0.02 in here even though I currently don't drive on wood, but am just starting on a path to wood gas that will probably lead to there. I've been interested in wood gas since the mid/late 2000's when fuel up here got to $1.50/litre ($5.67/USG). I bought a house in 2000, and heating oil was $.33/litre, this also shot up to .75/L at which point I went to pellets. The heating oil price eventually went to 1.40/ litre - that would have been a $6300.00 heating bill for one year in my old 1870 farmhouse - being a highly taxed Ontarian, I'd have to earn about $8700.00 gross to have enough left over to pay that bill. It was a crazy time with line ups at the pumps, and it all ended in the Global Financial Crisis when just about everything went bust - including my previous employer of 15 years. All of the above eventually became the meat and potatoes for a slow realization that things were changing in a way I had not seen before in my lifetime.
Fast forward again another 9 years or so, and things have not got any better up here, worse actually. The economic outlook going forward is bleak, Ontario has a horrible business climate these days, and we've lost hundreds of thousands of FT high paying jobs over the last decade. Federally, our new PM is still pretty fresh off the blocks, loves spending, deficits, and debt - he will be eaten alive by the likes Trump in the days to come. Seems like half our new "gender neutral" federal cabinet ministers were eligible for student wage 5 years ago.
The average Canadian family is already spending more on taxes than on food, shelter and clothing combined. It's pretty clear to me at this point that the old days are gone for good, and things will definitely be getting even worse before anything get's better. All current projections indicate that "getting better" is not even on the table prior to 2027.
So, in 2016 I formulated a plot to severely reduce my exposure to government at all levels. Some taxes I can't avoid, same with some fees, but most of them can be massaged to some extent. That's where wood gas comes in, heat, electricity (TOU supplement), maybe even a wood-gas powered vehicle.
I want to be prepared for them when the current revenue streams prove insufficient - they're already pounding things you can't say no to in Ontario like cars ownership, gasoline, and electricity. That will be the future for a good long time to come up here. I'm glad I live in a small village with a few acres around me so I can experiment with stuff like this!