The U.S. Environmental Protection Agency plans to unveil new regulations March 3 to reduce smog from automobiles, including cutting by two-thirds the level of sulfur in gasoline, people familiar with the agency’s deliberations said. The EPA is expected to stick to the broad targets included in a proposed rule published last year that would lower sulfur in gasoline to 10 parts per million from the current 30 parts, the three people said. New limits will also be imposed on tailpipe emissions. “This is the most significant move to protect public health that the EPA will make this year,” said Frank O’Donnell , president of Clean Air Watch , who said he hasn’t seen the final rules though supported the proposal. “There is literally no more effective tool to fight smog. Every American will breathe easier because of these standards.” Supporters of the rules say they could be one of […]