LOS ANGELES, Feb. 2 (UPI) -- The U.S. Air Force has contracted Rentech Inc. to deliver its synthetic fuel for turbine engine performance and emissions testing.
SACRAMENTO, July 24 (UPI) -- California air-quality regulators announced Monday that oceangoing ships will be required to use low-sulfur diesel fuel while operating off the coast.
ROSEMEAD , Calif., April 11 (UPI) -- Southern California Edison announced plans for the nation's first feasibility study combining several advanced coal technologies at full commercial scale.
SAN FRANCISCO, Nov. 17 (UPI) -- California is considering a ban on bunker fuel in its waters following a collision that spilled 58,000 gallons of the low-grade oil into San Francisco Bay.
WASHINGTON, Oct. 20 (UPI) -- California officials are preparing to file a federal lawsuit against the U.S. Environmental Protection Agency so the state can regulate greenhouse emissions.
IRVINE, Calif., Jan. 22 (UPI) -- U.S. scientists have developed a method of mapping fossil fuel air pollution by analyzing corn collected from nearly 70 locations across the nation.
BERKELEY, Calif., Aug. 4 (UPI) -- A University of California at Berkeley climate model indicates there are limits to Earth's ability to absorb increased levels of carbon dioxide.
LOS ANGELES, Sept. 24 (UPI) -- California regulators Friday approved the nation's first law mandating reductions in vehicle emissions of carbon dioxide as means of curbing global warming.
LOS ANGELES, April 19 (UPI) --
COLUMBIA, Mo., March 15 (UPI) -- Ultra small nanometer-size pores in carbon may solve a dilemma that has plagued alternative fuel advocates for years -- how to safely store natural gas at low pressures that reduce the risk of explosion. While studying activated carbon -- a porous materia
