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 ...

Across the United States, the rules for checking tailpipe pollution are quietly shifting, even as climate targets grow more ambitious and electric vehicles grab headlines. States are carving out ...

In the letter "Emissions tests have outlived their usefulness" (Nov. 18) Sal Geraci tries to make the point that because so few cars fail the test, it is worthless to have the test. He states the ...