The 21st. Century is a large challenge within the range of the mobility: many countries, which are not or just part-mobilized at the moment, will adapt ever more strongly to the western conditions and western countries will go further after individual mobility. Thus we will reach a point of over motorizing in our world, which will have substantial effects with conventional fossil technologies on our climate.
There is however a set of alternatives, which are sustainable and protect the environment. Among these vegetable oil (raps, sunflower, camelina) is regionally available. Further alternatives would be biodiesel (from used oil), biodiesel (from raps), Sunfuel (from biomass), ethanol (from biomass),….
Click here for the sustainable index of alternative fuels.