This is an archived article that was published on sltrib.com in 2014, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Using low-sulfur gas could clean up vehicle emissions by up to 11 percent, but local refineries say making the cleaner fuel isn't easy or cheap. Should the state intervene?

On Wednesday at 12:15 p.m., Alan Matheson, the governor's environmental adviser, and HEAL Utah's Matt Pacenza join Jennifer Napier-Pearce to talk about the state's role in hastening Tier III standards.

Watch this online video chat at sltrib.com. You can also join the discussion by sending questions and comments to the hashtag #TribTalk on Twitter and Google+ or texting 801-609-8059.

Twitter: @jnpearce How to speed up Tier 3 standards?

12:15 p.m. • Using low-sulfur gas could clean up vehicle emissions by up to 11 percent, but local refineries say making the cleaner fuel isn't easy or cheap. Should the state intervene? Alan Matheson, the governor's environmental adviser, and HEAL Utah's Matt Pacenza join Jennifer Napier-Pearce to talk about the state's role in hastening Tier III standards. Watch this online chat at sltrib.com. Join in by sending questions to #TribTalk on Twitter and Google+ or by texting 801-609-8059. › sltrib.com