The comment that this would take ‘years’ is mostly bogus. Within twelve months...we’d be delivering natural gas and oil....if we desired to. Under this administration....it’d be practically impossible, I agree. But it wouldn’t take that much effort or courage to make it happen.
Europe has the problem that (for very different reasons) neither a committedly liberal nor a committedly conservative administration will have reason to desire to ship them energy.
There are several companies that would pay you millions for the information of how to engineer, manufacture and construct a cryogenic methane liquefaction plant that can proccess billions of cubic feet per day in less than a year.