A few recent studies still claim that corn ethanol produces fewer emissions than gasoline, but a careful look reveals that their methods don't properly account for land use change. (energytomorrow.org)
Compared to coal, the use of natural gas for power generation emits 50 percent fewer emissions of carbon dioxide, and even more substantial reductions in traditional air pollutants. (corporate.exxonmobil.com)
These include less demand for land and pesticides, fewer emissions of methane and more options for developing foods without harmful health impacts. (dotearth.blogs.nytimes.com)