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Coal use in the United States is going to keep declining, replaced by a mix of natural gas and wind and solar. Eventually there will be declining progress here, though.

Declining carbon intensity in the power industry has had no impact on how energy is used by end users. Flip a switch and the light comes on. It may be an LED light rather than an incandescent, but it comes on same as it always did. The same isn't true of lower carbon intensity transportation. Plug-in hybrids come close, and I hope there are some good options for them when it comes time to replace my car. Maybe I'm overly pessimistic, but I don't see transportation or even personal transportation carbon emissions declining any time soon.