BioFuels:

Doing Biofuels Right:  Making Sense of the Great Biofuels Debate Sam Spofforth, Executive Director,  Clean Fuels Ohio March 8, 2010

CNG:

The Dec. 2011 Flux Report highlights the financial perks of converting municipal fleets to natural gas vehicles. Using and interpreting data of the NREL – Natural Gas Vehicles Report, it shows just how profitable it can be to go green.