NYISO will comment on New York's emissions-reduction and reporting policy, the cap-and-invest program.

The city of Berkeley asked the 9th Circuit Court of Appeals for an en banc rehearing of a decision to overturn its nation-leading ban on natural gas hookups.

New York agencies kicked off the first in a series of webinars dedicated to explaining and seeking comment on the state’s proposed cap-and-invest program.

Two recent reports found that participation in RGGI produces economic benefits and that Pennsylvania would see a small change in power prices should it join.

The California Air Resources Board approved groundbreaking rules requiring passenger, freight and switcher locomotives to decarbonize in the next three decades.

The bill would require natural gas utilities to file a plan every three years; it's intended to make natural gas planning more transparent.

EPA is poised to issue rules that would require all coal and gas-fired power plants to reduce or capture nearly all of their carbon dioxide emissions by 2040.

The California Air Resources Board plans to vote on a regulation requiring new switcher locomotives to be zero-emitting by 2030 and freight locomotives by 2035.

Oregon is a long way from meeting its 2035 GHG reduction target but should nonetheless advance that goal by five years, a state commission said.

Supporters of New Jersey’s efforts to adopt California’s ACC II rule urged officials to move faster, citing the danger of missing a crucial year-end deadline.