Biden’s Signing of Climate Law Kicks Off Marathon of Rulemaking (2)

President Joe Biden’s signing of the Inflation Reduction Act on Tuesday caps nearly two years of efforts to pass sweeping climate legislation. But the real work is just getting started.

For federal regulators, the moment Biden signed the bill was effectively the starting gun for a race to write new policies to implement its clean energy tax credits, climate programs and environmental mandates. It’s a monumental task that will involve regulators at nearly every federal agency.

“We’ve been able to get an incredible thing done, but it is just the beginning,” said Andrew Reagan, executive director of Clean Energy for America, a group ...