The International Fuel Quality Center recently released a ranking of the top 100 countries based on the lowest benzene limits in gasoline. Colombia was at the top of the ranking with the lowest limit, followed by Canada and Luxembourg.

Hart Energy Publishing's International Fuel Quality Center recently released a ranking of the top 100 countries based on sulfur limits on on-road diesel. Sweden was found to be at the top of the ranking, followed by Germany and Japan, being sole position-holders of second and third place, respectively.

Algae are quickly becoming the most attractive successor to traditional biofuels feedstocks like corn and soybeans, and even to next-generation feedstocks such as switchgrass and jatropha, Although algal biofuels are not yet being produced or consumed on a commercial scale, a number of companies are working their way toward doing exactly that, possibly as soon as 2010.