While only about 4% of passenger vehicles in Colorado use diesel, the fuel is widely used by trucks and heavy equipment in different industries.
This article was originally published by 9News Colorado (RSS) on Tuesday, September 15, 2026. TownPost surfaces local news from over 40 outlets and uses AI to score each story for relevance to Longmont and the surrounding area.
Relevance score: 50/100. This story has moderate relevance to the Longmont area.
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