The optimal strategy for short term oligarchic revenue maximisation is a mixed strategy of mostly fossil fuels with some green tech.

The optimal strategy for long term biosphere habitability is a mixed strategy of mostly green tech with a tiny amount of fossil fuels exclusively for those metal smelting roles where arc furnaces and biofuels are unsuitable.

Investment portfolios dominated by technology that lifts everybody up are less profitable than greedy choices of risky investment, per some of the finer details of the mutual fund separation theorem.