Get in touch with Chloe Mayer by emailing c.mayer@newsweek.com Colorado drivers have been asked to "limit driving" for 24 hours until late Tuesday afternoon in an attempt to improve pollution levels.

Now reformed and on a different, more positive path, Underwood agreed to discuss what he used to do and how he did it, in an effort to help Colorado vehicle owners avoid having their cars ...

(KJCT) - Why is letting your car run in the morning illegal in the state of Colorado? Puffing also known ... the main reason puffing is illegal is to avoid car thefts. There is also an ...

Stock image of a car exhaust emitting fumes. Drivers in Colorado have been asked to avoid using their cars amid poor air quality. Stock image of a car exhaust emitting fumes. Drivers in Colorado ...