The latest Technology Review has a great information graphic showing the sources and uses of energy in the United States. The most important take-away? That almost 45% of energy input is lost as waste heat. And, of course, that almost 85% of energy inputs come from oil, natural gas, and coal.
Posts Tagged ‘Energy’
Energy Use and Waste in the United States
Posted in Data, Energy, tagged Data, Energy on May 1, 2010 | 1 Comment »
Rethinking Oil and Natural Gas Prices
Posted in Energy, Environment, tagged Energy, Natural Gas, Oil on April 9, 2010 | 7 Comments »
My recent post about oil and natural gas prices elicited some very constructive responses from readers (thanks in particular to PJ, MF, and FW, in addition to public commenters on the post). As a result, I’ve rethought my discussion of the relationship between oil and natural gas prices. I was also inspired to look at [...]
Oil and Natural Gas Prices Disconnect Again
Posted in Energy, Environment, tagged Energy, Natural Gas, Oil on April 1, 2010 | 13 Comments »
Update (4/9/10): Please see my follow-up post as well. Last summer I noted that oil and natural gas prices had diverged to an unprecedented degree. I bravely predicted that this divergence would reverse (unbravely, I didn’t predict when). As the chart below shows, I was right: the price relationship did move sharply toward normal levels. [...]
Another Look at Oil and Natural Gas Prices
Posted in Energy, Environment, tagged Energy, Natural Gas, Oil on September 2, 2009 | 6 Comments »
A couple weeks ago, I discussed the remarkable divergence between the prices of oil and natural gas. At the time, the spot price of West Texas Intermediate was above $73 per barrel, while the spot price of natural gas at the Henry Hub was about $3 per MMBtu. The ratio of the two prices was [...]
The Disconnect Between Oil and Natural Gas Prices
Posted in Energy, Environment, tagged Energy, Natural Gas, Oil on August 21, 2009 | 12 Comments »
Yesterday marked a new record in the divergence between oil and natural gas prices. As noted in a small item in the Wall Street Journal, the ratio of oil prices ($ per barrel) to natural gas prices ($ per million BTU) hit a record 24.5 at yesterday’s close. As you can see from the following [...]


