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Nallebrean (talk | contribs) (Created page with "One way to determine which energy source is best for the environment is to assess the benefit in the form of heat or electricity a power stroke can provide. The tables below can be read as 1 unit of fuel provides x heat and y electricity. Higher number is better. Note that "useful heat out" greater than 100 means that the end result is more heat energy than if the fuel were burned directly for heating. ===All power strokes=== {| class="wikitable sortable" |- ! Power st...") |
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