> So, keep the combustion engine, but make it env-friendly. > I don't see a problem with it. The problem is that the synthetic fuels require a huge amount of

> So, keep the combustion engine, but make it env-friendly. > I don't see a problem with it. The problem is that the synthetic fuels require a huge amount of energy to produce. This decreases the quantity of carbon-neutral energy available for all other initiatives.