Articles by Grist staff

Sulfur, So Good

EPA is jazzed about new rules on ultra-low sulfur diesel New federal clean-air rules came into effect yesterday, requiring sulfur content to be cut by 97 percent in at least four-fifths of U.S.-refined diesel fuel. The new “ultra-low sulfur diesel” will hit service stations in the fall. The U.S. EPA estimates it will raise the […]

Under the Radar

FAA shuts down work on proposed wind farms The Federal Aviation Administration has shut down work on at least 15 Midwest wind farms pending … wait for it … more research. Last year, Sen. John Warner (R-Va.), a critic of the Cape Wind project planned for Nantucket Sound, added an amendment to a military spending […]

Blend Game

Wal-Mart looks into selling ethanol As part of its newfound determination to jump on the eco-bandwagon, Wal-Mart is considering selling E85, an ethanol/gasoline blend, at the gas stations it owns and operates. The mega-chain held an alternative-fuels summit for auto-industry reps, oil companies, government officials, and biofuel producers in Washington, D.C., this week. Still, Wal-Mart […]

Appy Days Are Here Again

Ancient Arctic was balmy, a discovery that worries climate scientists Fifty-five million years ago, the average temperature of the Arctic was a balmy 74 degrees, according to research published today in Nature. The data was gleaned from the first significant sample of sea-floor sediment ever taken from underneath the thick ice at the North Pole. […]