Upper Marlboro, MD—(ENEWSPF)—February 18, 2014. In a speech today, President Obama directed his administration to move forward with standards to make our tractor trailers and commercial vehicles more efficient. Heavy-duty vehicles are the second largest transportation oil users behind cars, guzzling 25 percent of all transportation fuel. Remarkably, most tractor trailers on the road today average only six miles per gallon – nearly the same as they did decades ago.
In response, Sierra Club Executive…
