FORT WORTH (CBSDFW.COM) – You hear them at the truck stops while parked in long rows with their engines rumbling. You see them on job sites with engines running, heat emanating from their exhausts.

Heavy vehicles left idling waiting to work, waiting to be weighed or just waiting for their drivers in the cab to wake up to get back on the road, emit tons of carbon dioxide and other pollutants each year.

This week, Fort Worth is likely to join 27-other North Texas governments in banning excessive idling.

“The restrictions would be any heavy diesel or gasoline powered vehicle, anything over 14,000 pounds, would not be able to idle over five minutes,” said Amanda Brimmer, Principal Transportation Planner with the North Central Texas Council Of Governments.

The restrictions would help North Texas edge closer to federal clean air requirements. But for the men and women in the big-rigs it would affect what is, essentially, their office.

“It would kind of hurt because that’s how you, a lot of time in the summertime stay cool and in the winter time you don’t freeze so it would kind of hurt,” said truck driver Ray Jones.

The problem for Fort Worth, and some other cities, is enforcement.

“There’s the entire spectrum,” Brimmer said of the various abilities of entities to enforce the restrictions. “The City of Dallas has enforcement through their marshalls and they sit there with their stop watches and actually count five minutes and then go write them a ticket…all the way to the other end of the spectrum where it’s complaint driven. So, if someone sees someone idling they can call the police department.”

So for Fort Worth, signs telling drivers not to idle more than five minutes, an education campaign and reports of violations from citizens will likely be the keys to getting the big rigs turned off.

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