Adrian Dix, minister of Energy and Climate Solutions, announced Thursday that his government will require all biodiesel sold ...

Controversial updates to one of California's new clean air rules require dozens of technical changes before they can go into ...

California’s Legislative Analyst’s Office is urging lawmakers to reject Gov. Gavin Newsom’s proposal to grant state ...

California’s first quarterly cap-and-trade auction of the year settled at $29.27 per ton of carbon today. That’s $12.49 less ...