I found this article:
Granted, it’s a puff piece for VW, but it reminds me that whatever “alternative” fuel we might choose for post-SHTF transport, we’re not likely to have industrial backup for computer controlled injection systems. Whatever the vehicle, without some deep understanding of current flex- fuel tech, and how to hack it, we’re likely to be trying to convert/adapt the old carbureted systems.
One guy who used to show up regularly on late night talk shows, plugging his book and organization, is David Blume, author of “Alcohol Can Be a Gas.” He’s an aging hippie who found his niche — touting the virtues of ethanol, which, to his credit, he says should not be produced from foodstuffs. Through a series of YouTube videos, he shows how it can be done.
The amazon link is space consumptive, so I’ll leave it at this.