Climate Central: More efficient cars, trucks and airplanes. Less-polluting electric power plants. So many solar and wind farms that no transcontinental road trip in an electric car could take place beyond the sight of one.
Those may be the most obvious changes everyone sees if and when America's proposed climate policies fully bloom in the next decade or so. The biggest of those policies, the Clean Power Plan, was announced a year ago and is slated to take effect in 2016. It could help low-carbon energy such as...