Poop is hot: Renewable natural gas made from livestock manure fetches higher prices, prompting Shell and BP to invest more.
過去大家對畜牧場糞便避之唯恐不及，不僅惡臭、還會產生溫室氣體甲烷。但近年，它化身為沼氣發電的來源，還可純化為再 […]
過去大家對畜牧場糞便避之唯恐不及，不僅惡臭、還會產生溫室氣體甲烷。但近年，它化身為沼氣發電的來源，還可純化為再 […]