On biofuels.

• Author: Rong, Charles
• Position: READERS FORUM: VIEWS ... COMMENTS ... SUGGESTIONS - Letter to the editor

The interesting article "Renewable Fuels" (January 2009) provided an insightful assessment on the issue of crops and corn-based ethanol as fuel, pointing out its possible unwanted impact on energy balance, environmental footprint, and food supply, all of which should not be overlooked. However, given the great energy and environmental challenges that the world faces in the immediate future, it is imperative to take a swift action to develop scientifically sound means to harvest the unlimited energy from the sun in an economic and sustained fashion. A holistic perspective is needed by taking carefully into...