[ad_1] Beijing temporarily closed hundreds of factories and allowed only half of the city’s cars on the streets every other day to achieve a clear blue sky for a military parade in 2015. The smog returned to its usual state after the parade. Beijing has many UNESCO World Heritage Sites and over a million people […]
[ad_1] Smog test centers specialize in smog testing and are often less expensive and faster. They cannot perform repairs, so if a vehicle fails the test, it must be taken to a test and repair facility. Some states have enhanced smog check areas, and abatement programs may be available for costly repairs. Regular smog testing […]
[ad_1] In 1943, Los Angeles experienced its first smog, which residents initially believed was a Japanese chemical attack. The smog was actually caused by increasing automobile traffic. Smog is a combination of fog and smoke, with different colors depending on the cause. Over half of Americans live in areas with dangerous smog levels. Los Angeles […]