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Clearly everything we do impacts the planet in some way - it's all a question of trade offs. What's better what's worse is always in debate with new discoveries always changing the calculations - recent debates over ethynol have been interesting, whether it takes more energy to create etc.
Honestly I think the best solution is diversity both in our fuel mixes and practices - At least then it's easier to switch when something proves to be detrimental
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I would believe only in a God that knows how to Dance.
Friedrich Nietzsche
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