For years, biofuels were
considered a "greener" alternative to fossil fuels. But the environmental benefits are far less than originally expected.
By Fiona Harvey, Environment Correspondent
Published: April 26 2008 03:00 | Last updated: April 26 2008 03:00
For years, biofuels were
considered a "greener" alternative to fossil fuels. But the environmental benefits are far less than originally expected.