Driving a well-maintained, regularly serviced automobile is the best method of passing an emissions check, but what are ya, some kind of square? If you don’t have a newer car, check out the tips below ...

So what’s a citizen to do while we wait for the hydrogen revolution? MSNBC has compiled calculators, lists, tips and links to help you gather more information. If you feel you want to reduce your own ...

For millions of Americans, regular emissions tests — sometimes called smog tests — are part of vehicle ownership. Thirty-one states and the District of Columbia have at least one county that requires ...

A recent study by the National Bureau of Economic Research suggests that regular automobile emission testing may be approaching the point where it’s no longer cost-effective to perform for the benefit ...

A group of Wisconsin lawmakers are asking their federal counterparts to reverse part of the Clean Air Act that allows for ...

Wisconsin lawmakers are calling for the removal of vehicle emissions testing, arguing that the Clean Air Act's rules are ...