Tagged: NOx

Griffith Observatory, Los Angeles, United States Photo by Martin Adams on Unsplash

California Requiring More Inspections

California Air Resources Board (CARB) last month approved a regulation that would require some medium and heavy-duty trucks and bus owners to inspect their vehicles’ emissions control systems twice a year. The Heavy-Duty Inspection and…

EPA Press Conference - Clean Truck Initiative, EPA Issues Emissions Pre-Rule

EPA Issues Emissions ‘Pre-Rule’

An Environmental Protection Agency (EPA) pre-rule issued Jan. 6 is the first formal step in an attempt by the agency to establish more stringent heavy-duty diesel truck emission standards for oxides of nitrogen (NOx) and…

Tank Transport