What's the idea to use food to make combustible ?

Question

What's the idea to use food to make combustible ?

Answer 1

Are you asking about methane gas from bio-waste like garbage or are you asking about combustible alcohol from corn?

Both have already reached industrial production and both are promising to supply greater and greater percentages each year.  Gasoline-alcohol fuel is already rather available and auto manufactures have designed some of their engines to run on either ordinary gas or the gas and alcohol mix - my own car is a 2001 and it can take either type of fuel.... It's kool.

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Answer 2

They think it is a renewable fuel source. They don't know that the earth has been recycling fossil fuels as fast as it can.

Answer 3

To be more precise, it is to make "fuel" combustible. Your wording makes one assume the food might be used to make restaurant patrons "ready-to-detonate".

More seriously, though, food waste from restaurants, food-processors, snack producers, bakeries, etc, contains quite a bit of energy. Much more, for example, than cattle manure or poultry litter. That's because the latter has lost its stored energy.

Why? Because when cows or people digest food, the whole purpose is to take the energy OUT of that food source and store it as fat and skin-blemishes upon our persons. So what animals leave behind is "spent", energy-wise.

Fats, oils and greases (FOG's) are among the highest in energy. See, both the "FOG's" and all the other discarded food STILL have ALL their energy (since nothing/nobody digested it), but the oils just naturally contained more to begin with.

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Answer 4

George Bush is pushing this because it keeps Corn Farmers happy and also car manufacturers and possibly big oil could get in on the act. However using corn to make gas is very inefficient, switching to Switch Grass as a crop would be better, however none of these methods will totally do the trick. It works by fermenting crops to produce a form of alcohol for burning with petrol

The problem with Climate change is not the releasing of CO2 into the air, but the digging up of old deposits of Carbon, e.g. oil or coal or natural gas. This adds to the amount of carbon we have in the system. It's OK to grow stuff, thus taking carbon out of the air, and then burning it, releasing it back into the air. Even better is trapping carbon, say as wood, and not burning it.

The Hippies and Pioneers had it right, wooden houses and furniture, heated by wood. No expensive gadgets, just hand made crafts, locally made food and small efficient cars. Add some solar cells and a compost toilet and you are in business. If you then turn your garden into a forest or orchard, you'll actully turn back the clock on CO2