Recent Posts


Thinking about energy density

Posted: December 9, 2014 by Ken Cohen

An important way to think about the differences among fuels is in terms of energy density – the amount of usable energy that’s packed into a certain amount of space.

In 2013 natural gas from shale provided the largest share of the country’s natural gas supply – 40 percent of total natural gas production.


Economics 101 on Squawk Box

Posted: December 4, 2014 by Ken Cohen

ExxonMobil CEO Rex Tillerson offered an early morning tutorial on CNBC’s Squawk Box.


Non-attainment nation

Posted: November 26, 2014 by Ken Cohen

The administration’s proposed ozone rule will severely hurt the economy in return for little benefit in terms of human health.

  • Worth a deeper look...