Search Results for: "energy density"
Relevance | Date“Renewable” Energy: In Search of Definition
By John Droz, Jr. -- March 28, 2009 2 CommentsAs a physicist with energy expertise and a long time environmental activist, I have grown increasingly concerned about a lack of common sense in the country’s energy debates. Even simple terms underlying our leading debates sometimes are poorly considered.
Consider the indiscriminate use of the term “renewable” energy. This is no academic annoyance, for right now the U.S. Senate is drafting a national Renewable Portfolio Standard (RPS). The first version is not a good start on President Obama’s new science directive.
Some problematic issues with RPS (federal and state) are: …
Continue ReadingWishful Thinking on Energy (Who wants downgrades anyway?)
By Michael Lynch -- February 13, 2009 1 CommentOne of the major problems in policy-making is wishful thinking, in particular a tendency to assume that people will act the way the policy-maker wants. (Military and even corporate planners also suffer from this weakness, and it is arguably the principle weakness in socialist economics.) This presumption is particularly evident when issues of morality—real or perceived—are involved, as in the case of many environmental policies.…
Continue ReadingW. S. Jevons (1865) on Coal (Memo to Obama, Part III)
By Robert Bradley Jr. -- January 31, 2009 5 CommentsEach renewable energy, Jevons explained, was either too scarce or too unreliable for the new industrial era. The energy savior was coal, a concentrated, plentiful, storable, and transportable source of energy that was England’s bounty for the world.
There was no going back to renewables. Coal–and that included oil and gas manufactured from coal–was the new master of the master resource of energy in the 18th and 19th centuries. As Jevons stated in the introduction (p. viii) of The Coal Question (1865):…
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