Yesterday’s guest blogger wrote: The idea of collecting solar energy from the upper surfaces of already constructed buildings seems like the least intrusive and most efficient method to utilized light, in my opinion. It doesn’t shade the natural ecosystem and …
My friend Geoffrey Nicholson comments my post “Renewable Energy and Basic Physics”: Craig, I couldn’t agree more. Other than geothermal energy, all the other sources of energy available to us originally came from solar energy and with a rather lossy …
An Engineer Comments on "Renewable Energy and Basic Physics" Read More »
My old friend Peter Buzzard commented on my post “Molten Salt Energy Storage“: “Craig, do you know if a Stirling engine would be more efficient than making steam for a turbine?” To which I reply: I don’t know know much …
In response to my recent piece on solar thermal and molten salt, a reader admonishes: You assume that “molten” salt is universally available over the entire power grid? Get real! Apparently, I’m not describing this as clearly as I thought …
Recently, I spoke with Ben Beach, Senior Editor at the Wilderness Society. I reached out to Ben because I wanted to see how the organization was dealing with issue that public land (I presume some of it “wilderness”) is a …
My old friend Peter Buzzard writes: The current technology of Wind and Solar tends to provide power when and where it is needed the least. The transmission of power from wind and solar farms to population centers is extremely expensive, …
Is Large-Scale Renewable Energy Feasible Right Now? Read More »
I deeply appreciate the growing rush of informed comments on the 2GreenEnergy blog. Frequent guest Arlene Allen (whom I had the pleasure to meet recently) writes: Normally, I would do my best to add something positive to the discussion. Quite …
Eco-Trans Alliance in Sarasota Florida is a low-speed electric vehicle (LSEV) manufacturing company with a distinctly sunny disposition. The five year-old company sports a line of cars with solar panels on the roof — adding approximately 10% of the range …
In marketing, the idea of “positioning” is rooted in the notion that we have space in our minds for precious few ideas, and we tend to associate the people, the products, and the companies in our lives with single concepts. …
Last week, President Obama, as part of the Recovery Act, announced the dedication of $3.4 billion to further advancing smart grid development. This, of course, is good news for renewables in many different ways. Smart grid technology facilitates integrated renewables …
