Biodiesel Benefits and Considerations US Department of Energy reduce carbon emissions by as much as 74% reduce carbon emissions by 74 percent http://www.afdc.energy.gov/fuels/biodiesel_benefits.html reduce carbon emissions by 74 percent "Biodiesel advantages and considerations" http://www.afdc.energy.gov/fuels/biodiesel_benefits.html ç¾å½è½æºç½² Benefits US Dept of Energy afdc.energy.gov result in an estimated 74 percent decrease ce spune