Natural gaspurchase and sales contracts are greatly different from general commodity contracts because of the particularity of natural gas.
天然气购销合同由于天然气的特殊性而与一般商品合同有较大的区别。
2
Under Kyoto, greenhouse gas reductions are subject to an international system that regulates the calculation of emissions, the purchase of carbon credits and contribution of sectors such as forestry.
在《京都协议书》下，温室气体减排取决于调节排放量计算的国际制度、碳排放购买额度和贡献部门例如林业。
3
It fuels its municipal cars, buses and trucks with biogas fuel, avoiding the need to purchase nearly half a million gallons of diesel or gas each year.