Numerous industry and environmental interests are weighing in on high-profile federal litigation over the legality of Minnesota's restrictions on imported coal power.
In her rollout new carbon rules, EPA Administrator Gina McCarthy said the proposal would take advantage of opportunities that states are already finding, from "plant to plug."
In a landmark win for the Obama administration and public health advocates, the Supreme Court on Tuesday resurrected U.S. EPA's program for air pollution that drifts across state lines after a lower court had thrown it out.
Federal judges Tuesday upheld U.S. EPA's air standards for mercury and other hazardous pollutants in a major win for the Obama administration.
Companies aspiring to produce next-generation biofuels struggle to get raw material to production plants, so an Ohio nonprofit is experimenting with a way to bring the refinery out to the fields.
Researchers at Harvard University have demonstrated a low-cost battery -- based on common, organic molecules -- that can be scaled to provide backup power for anything from large wind farms to a home with solar panels.
In Iowa, where corn is king, crop residues represent the great hope in the short term for launching the cellulosic ethanol industry.
The EPA pressed the Supreme Court Tuesday to uphold its effort to curb air pollution that drifts from one state to another.
Members of the Federal Energy Regulatory Commission warned House members Thursday that energy reserves in the Midwest could be pinched the hardest when new U.S. EPA clean air rules take effect in 2016.
Rural Americans could be big losers if the EPA writes a rigid rule for curbing heat-trapping emissions of carbon dioxide from existing power plants, electric utilities warned the agency in listening sessions on the rule that ended last week.