Trains in the US are major polluters, as diesel exhaust is a well-known human carcinogen and toxic air contaminant. As per the California Air Resources Board, in California, train pollution makes up about 15% of health-harming nitrogen oxide pollution from freight sources. The California Air Resources Board (CARB) is aiming for reduction in locomotive pollution. California approved a first-in-the-nation rule limiting rail pollution to cut greenhouse gas emissions and reduce smog. The rule bans locomotive engines more than 23 years old by 2030 and increases the use of zero-emissions technology to transport freight from ports and throughout railyards. However, the … Continue reading Breathing Easy: How California New Rail Pollution Rule Improves Lives