Ethene is a petroleum based product derived from catalytic and thermal cracking, or as a product of fractional distillation, so it is non renewable.
Ethanol from glucose is renewable because:
Glucose ferments to give ethanol
Ethanol combusts to give carbon dioxide and water
Plants photosynthesise carbon dioxide and water into glucose and oxygen.
the cycle continues.
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Ethene is a petroleum based product derived from catalytic and thermal cracking, or as a product of fractional distillation, so it is non renewable.
Ethanol from glucose is renewable because:
Glucose ferments to give ethanol
Ethanol combusts to give carbon dioxide and water
Plants photosynthesise carbon dioxide and water into glucose and oxygen.
the cycle continues.