A pesar del verso de la izquierda reciclada en ambientalista, por el momento no existen alternativas indoloras al petróleo.
Muy interesante análisis en Reason sobre las distintas posibilidades en materia de energía:
Burning fossil fuels loads the atmosphere with carbon dioxide, and that's raising the earth's average temperature. This raises the question: Will today's higher oil and gas prices necessarily spark the development of low-carbon, climate-friendly transport fuels? Unfortunately, energy produced from unconventional sources of fossil fuels is still often cheaper than many other proposed alternative fuel supplies. In addition, some allegedly green fuels aren't all that green.
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