SMOG checks or emission tests exist due to the U.S. Environmental Protection Agency's (EPA) regulation on passenger vehicles. Each state sets limits of nitrogen oxides (NOx) from emitting past certain ...

Cars on the road today are 99% cleaner than they were in 1970. Air quality in the United States is much, much better as a result. In Los Angeles, where I live, lead levels in the air were 50 times ...

A reworded version of Leno's Law is being proposed in California, in the hope of ensuring classic cars do not need smog ...

If you live in California, you already see lots of collector cars squirting around. Especially if you're in Southern ...

California State Sen. Shannon Grove and former “The Tonight Show” host and classic car enthusiast Jay Leno joined forces Wednesday in an effort to keep more classic cars on the road. “Leno’s Law,” or ...

Jay Leno’s star power wasn’t enough to persuade a California legislative committee to pass a measure to allow owners of classic cars like him to be exempted from the state’s rigorous smog-check ...

When my car failed California’s smog test this year, I wandered from one garage to another trying to determine how to bring it into compliance. After speaking with several automotive experts and ...

SACRAMENTO – Legendary late-night talk show host Jay Leno visited the California State Capitol on Tuesday to help push a proposed rolling exemption from smog checks for classic cars. A noted car ...

The Assembly Appropriations Committee on Friday blocked Bakersfield Republican Sen. Shannon Grove’s Senate Bill 712 from advancing for a full vote. Leno had testified in support of the measure in ...