Algae can really "low cost" to replace conventionalsourcesofenergy right?
藻类植物真能”低成本”的取代传统能源吗 ?。
2
Nevertheless, to the extent that conventionalsourcesofenergy production are declining, the high marginal cost of new sources of energy will slowly drive up the average cost.
无论如何，鉴于传统方式的能源产品正逐渐减少，新能源的高成本将缓慢抬高能源的平均成本。
3
The fuel cells can convert almost any hydrocarbon fuel into electricity without combustion, and the greenhouse gas production is half of that from conventionalenergysources.