Tamara Vaifanua wrote:

Thirty snow plows along the Wasatch Front are retrofitted with a new filter.

Essentially, as the diesel burns it has particulate matter coming out of the engine. This filter will catch it and not let it emit out the tailpipe.

What these filters do is they take a truck that UDOT wasn’t going to replace for five to seven years, and they’ll give us the advantage of a newer, cleaner, technology on diesel engines so we don’t have to wait for the benefit of replacing the truck,” said Jeff Casper, UDOT equipment operations manager.

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