"Soot particles, formed during fuel combustion inside aircraft engines, are known to dominate the formation of contrail ice particles," Yu said. "As the aviation industry moves toward sustainable ...

Object is raised about 10 to 13ft above seabed and curved at the sides like a mushroom It has a 60 metre diameter with an egg-shaped hole leading into it from the top Hole is surrounded by an ...

The Environmental Protection Agency on Wednesday said it planned to revisit soot standards and greenhouse gas limits imposed by former President Joe Biden. The move is part of a broad deregulatory ...

Nitrogen oxides are produced by burning fossil fuels and contribute to ozone formation, acid rain ... The EPA has not updated the nitrogen standard since it was first set in 1971. Soot, also known as ...