The test results indicated that the use of coal oil mixture in diesel engines is possible and seems satisfactory.

试验结果证明在该机上燃用煤油浆是可行的，其工作情况良好。

The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.

相比之下人类燃烧煤、石油等活动所释放的二氧化碳的量是少的。

The Weyburn-Midale CO2 project is burying carbondioxide from a coal gasification plant in a depleted oil field.

维本市—米代尔 CO2 项目正将煤气化厂排放的二氧化碳埋入一个废弃的油田。

These costs aren't factored into the market prices of coal, oil, and gasoline, or the prices of electricity generated by fossil fuels, the report says. But someone eventually pays for them.

报告指出，煤炭、石油、汽油以及用矿物燃料发出的电它们的市场价格不包括这种“隐性”成本，但是，终究要有人为他们支付代价。

The more we reduce our use of coal, oil, and gas and the more we increase energy independency, the less we risk fights over energy and resources.

我们越多削减煤炭、石油和天然气的使用，越能增加能源的独立性，由能源和资源引起冲突的风险越小。