Coal’s future depends on our ability to make it cleaner and more efficient.

The writer’s duty is to be a troublemaker, a disturber of the peace.

Don't tell me how good you make it; tell me how good it makes me when I use it.

我们的行业必须适应不断变化的能源格局，同时继续满足世界日益增长的能源需求。

We need to be obsessed with our customers' unmet, unarticulated needs.