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5

The problem with store-bought BBQ fuel is that they often add binders, accelerants and other things to the basic fuel in order to make it easier to manufacture/shape/pack/light/burn. Whilst the vast majority of store-bought BBQ fuels won't impart anything particularly bad into the food being cooked, the by-products (ash and partially-burnt coals) were never ...


4

What is marginal energy, or fuel on the margin? Fuel on the margin, when talking about the electric grid, refers to which fuel will be used to generate the next additional kilowatt of power that is required. Imagine that your house is in a steady state, using the same amount of power, with a steady mix of fuel being used to generate that power. When you ...


3

I'm not sure of the science behind it, but I know that my local compost collector is fine with accepting fireplace ashes, but has a ban on coal and charcoal ashes. They use heat-treating on the compost as well, so if that can't handle coal and charcoal ashes, maybe be wary of using it for your at-home pile. Incidentally, if you do want more information about ...


2

Do you mean charcoal ash from a BBQ or coal ash ? Wood ash will add K which is very beneficial and some alkalinity , likely good as decaying organics in compost are acidic. Coal ash will have much more mineral content; silica ( sand), iron oxides, ( the pink or reddish color) aluminum oxides, some K and alkalinity ( eg. calcium oxide). Coal ash composition ...


2

The cryptos that require large/increasing/exponential amount of processing power/electricity to function are not sustainable according to the (resource-related) meaning of the word. If, however, we ignore those — because they will clearly self-terminate — and just look at the cryptos that don't require huge amounts of energy to exist, then we've got a more ...


1

TL;DR: No -- due to the length of time it takes a coal plant to return to full output after shutting down, it will not produce more emissions during startup than a fully-loaded plant over the same time period. Typical coal plant in the U.S. From the monthly generator inventory I determined that in the U.S. the median utility and independent power producer (...


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