diesel exhaust, Riggs Transport Blog most recent posts http://www.riggstransport.com/diesel_exhaust en Mon, 22 Dec 2008 01:57:01 GMT 200 Posted by Website Introductions: (diesel exhaust) In a landmark move, the California Air Resources Board unanimously approved a stricter measure on the diesel exhausts of registered and unregistered trucks that ply the roads of California. This move, the board said, will help improve the health of the California citizens and greatly contribute to the reduction of greenhouse gas emissions. More on<br>Tags: <b>diesel exhaust</b>, <b></b>. Comments: 0. http://www.riggstransport.com/diesel_exhaust/20081221-20571-California-approves-stricter-measures-on-diesel-exhausts http://www.riggstransport.com/diesel_exhaust/20081221-20571-California-approves-stricter-measures-on-diesel-exhausts