???? 据道琼斯3月5日消息，两家与石油市场息息相关的公司和微软计划在加州开发一座发电厂，他们称该发电厂的碳排放将为负值，这是大公司实验新能源项目的最新案例。

????油田服务公司斯伦贝谢公司的子公司、雪佛龙公司和微软周四表示，他们将在加州门多塔开设一座生物质发电厂，将农业废弃物转化为一种与氧气结合后可产生电力的气体。这三家公司在一份声明中表示，专注于部署减少碳排放的能源开发项目的Clean Energy Systems也参与了这项合作。

????许多大公司一直在进军可再生能源市场，有时是因为投资者担心可持续性发展，有时是因为关注旨在限制导致气候变化的碳排放的潜在新法规。例如，通用汽车公司表示，公司正在寻求与LG化学公司在美国合作开发第二家电池厂;埃克森美孚公司表示，它现在认为捕捉碳排放将是它的一个真正的商机。

????斯伦贝谢、雪佛龙和微软周四表示，预计加州拟建生物质发电厂转化产生的几乎所有碳都将被捕获并注入地下。

????他们表示，这一过程旨在产生净负碳排放，有效地消除大气中的温室气体。按年计算，该工厂预计每年将减少约30万吨二氧化碳，相当于6.5万个家庭用电所产生的排放量。

????斯伦贝谢、雪佛龙和其他参与该项目的公司计划明年就建设该工厂做出最终投资决定。他们表示，之后他们将评估其他“扩大这一碳捕集和封存解决方案”的机会。

????张春晓 摘译自 道琼斯

????原文如下：

????Schlumberger, Chevron, Microsoft Eye Biomass Plant In California

????Two companies tied to the oil market and Microsoft Corp. plan to develop a power plant in California they say will produce a negative amount of carbon emissions, the latest example of big companies experimenting with new energy projects.

????A unit of oilfield services company Schlumberger Ltd., Chevron Corp. and Microsoft said Thursday they will open a bioenergy plant in Mendota, Calif., that converts agricultural waste such as almond trees into a gas that, when combined with oxygen, will generate electricity. Clean Energy Systems, which focuses on deploying energy developments that cut carbon, is also part of the effort, the companies said in a statement.

????Many large corporations have been moving into renewable energy markets, pushed at times by investors concerned about sustainability and with an eye on potential new regulations designed to limit carbon emissions that cause climate change. General Motors Co., for example, said Thursday it is looking to develop a second battery plant with LG Chem Ltd. in the U.S., while Exxon Mobil Corp. said Wednesday it now believes that capturing carbon emissions will be a real business opportunity for it.

????Virtually all of the carbon created from the conversion at the proposed California plant is expected to be captured and injected underground, the companies said Thursday.

????They said the process is designed to result in net-negative carbon emissions, effectively removing greenhouse gas from the atmosphere. On an annual basis, the plant is expected to remove about 300,000 tons of carbon dioxide annually, equivalent to the emissions from electricity use in some 65,000 homes.

????Schlumberger, Chevron and the other companies involved in the project plan to make a final investment decision about building the plant next year. Then, they said they would evaluate other opportunities to "scale this carbon capture and sequestration solution."