Interesting hypothesis. But it doesn't align with facts, bummer. https://en.wikipedia.org/wiki/Technical_(vehicle)
Note that the Somali warlords don't extract or refine gas themselves, they barter for it from better organized nations. Heck, according to the article the vehicles were paid for by misguided foreign NGOs.
How much money would it take to engineer biological immortality for at least half of the world's population, within 20 years, with 99% confidence?