Summary:

- The article discusses the continued dominance of gas and coal in the U.S. electricity grid, despite the push for a transition to renewable energy sources.
- It highlights data showing that gas and coal still account for over 60% of the U.S. electricity generation, with natural gas being the largest single source at around 38%.
- The article suggests that the transition to renewable energy sources like solar and wind is happening more slowly than some had expected, and that fossil fuels will likely continue to play a major role in the U.S. power grid for the foreseeable future.