Showing posts with label energy comparison. Show all posts
Showing posts with label energy comparison. Show all posts

Tuesday, May 29, 2012

Energy Emissions Comparisons: Renewables vs Coal

No energy has zero emissions but clearly some sources of energy are better than others.  To help identify power sources that have the lowest energy requirements the US Department of Energy’s National Renewable Energy Laboratory (NREL) has released an analysis that lets users compare, contrast and better understand what a lifespan of emissions means for project permitting, environmental impacts and future policy. Here are the lifetime carbon emissions of a clean source of energy compared with fossil fuels.