Burn coal - save oil - hot water
So that's the theory. More cost effective to burn some coal to heat some water than to burn some oil to heat a larger amount of water. Also more cost effective to burn some coal than use electricity to heat some water? That's the question and which is the least environmentally damaging? Just a shame it's also cold enough to warrant it...
Environmentally sound?
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- Canon EOS 350D DIGITAL
- 1/20
- f/22.0
- 50mm
- 1600
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