Washington’s climate change bills will not go into effect until the legislature passes a transportation budget. No one is quite sure when that will be.

Washington’s legislature passed a low-carbon fuel standard bill that will require refiners to reduce the carbon in motor fuels sold in state.

Washington is on its way to becoming the second state to have a comprehensive cap-and-trade program after a Senate vote approving the bill.

Two bills intended to help decarbonize Washington’s transportation sector are headed to the desk of Gov. Jay Inslee, who is expected to approve both.

Two new nuclear plants have been proposed as neighbors to the Pacific Northwest’s only commercial reactor on the Hanford Nuclear Reservation in Washington.

The Wash. House voted 56-42 to send Gov. Jay Inslee a bill aimed at reducing greenhouse gas emissions from air conditioners and large refrigeration units.

The Democrat-controlled Washington Senate barely passed a cap-and-trade bill designed to trim industrial carbon emissions.

The Washington Senate approved a bill that would require an increased use of biofuels to cut carbon emissions from vehicles.

A bill to dramatically reduce Washington’s GHG emissions from large refrigeration and air conditioners is near a final vote in the Senate.

A planned $1.5 billion jet biofuel plant in Western Washington has received a potential $600 million to finance initial construction.