Which of the following should be the FIRST sentence after the rearrangement?

Directions: Rearrange the following sentences (A), (B), (C), (D), (E) and (F) to make a meaningful paragraph and then answer the question which follows.

(A) While these disadvantages of biofuels are serious, they are the only alternate energy source of the future and the sooner we find solutions to these problems the faster we will be able to solve the problems we are now facing with gasoline.
(B) This fuel can also help to stimulate jobs locally since they are much safer to handle than gasoline and thus have the potential to turnaround a global economy.
(C) These include dependence on fossil fuels for the machinery required to produce biofuel which ends up polluting as much as the burning of fossil fuels on roads and exorbitant cost of bifuels which makes it very difficult for the common man to switch to this option.
(D) This turnaround can potentially help bring world peace and end the need to depend on foreign countries for energy requirements.
(E) Biofuels are made from plant sources and since these sources are available in abundance and can be reproduced on a massive scale, they form an energy source that is potentially unlimited.
(F) However,  everything is not as green with the biofules as it seems as there are numerous disadvantages involved, which at times overshadow their positive impact.