Nature features three articles on biofuels in the current issue.
Sugar cane and ethanol: Drink the best and drive the rest
Brazil’s sugar-cane ethanol industry is the world’s best and able to get better, says Emma Marris.
US biofuels: A field in ferment
To move US biofuels beyond subsidized corn will be a challenge, reports Katharine Sanderson.
Liquid fuel synthesis: Making it up as you go along
Chemists can make liquid fuel from biomass — or from coal. Heidi Ledford weighs up the pros and cons.