这项在《生物燃料的生物科技》期刊上发表的研究发现，每英亩的西瓜能产生约20加仑的燃料，而(如果不加以利用，)这些水果就会被白白浪费。
The study, published in the journal Biotechnology for Biofuels, discovered that watermelons could produce around 20 gallons of fuel per acre from fruit that otherwise would go to waste.
他们普遍要求生产出来的燃料汽车能够在北方冬天和沙漠夏天等气候环境下不加燃料行驶500公里。
The generally accepted goal is to produce a vehicle that can go 500 kilometres without refuelling while surviving northern winters and desert summers.
提高不加湿质子交换膜燃料电池性能关键在于水的管理。
The study on water distribution in PEMFC is the foundation of performance stablity and operating without humidification.
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