Getting a barrel of oil out of the ground takes energy. Years ago, you could get 100 barrels of oil out of the ground with just one barrel of oil spent. Now, it’s more like 20 to one, or even five to one. That compares favorably with renewable energy sources — but it all depends on how things are counted.
A marked increase in oil production and decrease in consumption has might just have the U.S. on the road to something advocated for by every president since Richard Nixon: energy independence. In 2011, the country imported just 45 percent of liquid fuels, down from a record 60 percent in 2005. Energy independence has the potentitial […]