These values were used to produce a comprehensive net present value for the standard based on the full national impact over the lifetime of units affected, including monetized full fuel cycle emissions impacts. (drawdown.org)
So far as I can discover, this technology has got no further than a prototype; the full fuel cycle has never been tested. (realclimate.org)
When you factor in energy use and emissions along the full fuel cycle, households with natural gas versus all - electric appliances produce 37 percent lower greenhouse gas emissions. (truebluenaturalgas.org)